The image shows gannets (a type of shorebird) on their nesting grounds. If
this image represents 100 square meters of space, what is the approximate
population density of these gannets?
O
A. 550 individuals/square meter
B. 0.55 individuals/square meter
C. 55.0 individuals/square meter
D. 5.50 individuals/square meter
Answer: 5.50 Individuals/square meter
Explanation:
Identify the phases in the life cycle of small and big stars. supernova: In this stage, the star collapses and produces elements heavier than iron. planetary nebula: In this stage, the star emits strong energy pulses that push away the outer layers creating a cloud of ionized gas around the core. neutron star: In this stage, the star has reduced to an extremely dense core. white dwarf: In this stage, the star has reduced to a dense core.
Explanation:
Some Astronomers believe the life cycle of small stars begins in this order:
Planetary nebula phase: this phase is the result of the previous red giant phase (when the star turns red in color). However, at this stage, the star keeps expanding, glowing, and getting hotter as it strives to complete its life--cycle.White dwarf phase: As the name implies, the star now has a reduced size and a dense core than during the Nebula phase, while still glowing with surface temperatures of over 100,000°C.Neutron star: This stage occurs next after the White dwarf phase which may result in the final death of the star. Here the star is reduced to an extremely dense core.While the life cycle of big stars begins in the order:
Supernova phase: At this phase, the star collapses and produces other heavier elements.Neutron star phase or may formBlack Holes.Which is a least likely function of lipids in plants and animals?
A.to transfer hereditary information
B.to supply energy
C. to provide insulation and protection
D. to make up cell membranes
Answer:
A. ) To transfer hereditary information
Explanation:
The least likely function of lipids in plants and animals is to transfer hereditary information. Thus, the correct option for this question is A.
What are Lipids?Lipids may be defined as a type of chemically diverse group of organic compounds that are insoluble in water but are readily soluble in non-polar solvents like benzene, chloroform, ether, etc.
The classical functions of biological lipids include the following:
Serve as a storage form of metabolic fuel.They provide structural components of cell membranes.They also deliver the property of insulation and protection of cells.Lipids are also utilized in order to supply energy to the cells.The biomolecules or compounds that significantly deal with the function of transferring biological and hereditary information are known as proteins.
Therefore, transferring hereditary information is one of the least likely functions of lipids in plants and animals. Thus, the correct option for this question is A.
To learn more about Lipids, refer to the link:
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4. If a Red (RR) and White flower (WW) were crossbred, resulting in 100% RW, what phenotype(s) would been seen in the RW genotype according to the rules of codominance?
Answer:
Red and white in the flowers.
Explanation:
The petals should be a mix of red and white together. This may come out as dots, swirls of colors, or multiple petals of each color.
PLEASE HELPPPPP!!!!!!!!!!!!!!
Describe how you can use a Punnett square to predict the probability that offspring will inherit a trait
Answer:
punnet squares show an estimated percentage
Explanation:
they determine the probability of an offspring having a particular genotype. u fill in the genotypes with the dominant and ressessive traits then u find the probalility of percentage. if it has moredominant traits as the percantage then it will be dominant if not it would be recessive
please help with all of them,, i will be giving “thanks” && brainliest:) i’m bugging you PLEASE HELP ASAP
Answer:
22. C
23. C
24. Not clear, maybe 18%
25. Left ventricle, because according to the graph nearly 50% of the organ contains mitochondria, more than the left atrium.
Explanation:
22. Active transport requires cell's energy to move molecules, usually in the form of ATP.
23. This is a trick question, you might think it is diffusion or osmosis, but is is exocytosis. Diffusion and osmosis don't require vesicles for transport. It isn't endocytosis, because that is moving molecules inside the cell. The question asks for moving out the cell.
24. Look at the chart, it is less than 20, but more than 10 and more than halfway. I am not sure exactly the percentage, I would approximate it to be 18%.
25. Most likely left ventricle.
please give thanks :)
Which of the following was used to measure the rate of photosynthesis?
Answer:
Using 'immobilized algae'
Explanation:
Photosynthesis is an important biochemical process in which plants, algae, and some bacteria use the energy of solar radiation as a source of energy for food synthesis.
Immobilized algae are used to standardize the amount of photosynthetic tissue in any investigation.
How are catastrophic events related to changes in geological timelines?
A. They aren't related to changes in the geological timeline because they don't change the
overall population dynamics.
B. They aren't related to changes in the geological timeline because the timeline is dictated
by temperature cycles.
C. They cause significant changes that disrupt the equilibrium of the earth and lead to
natural separation points.
D. They define geological periods because scientists use them as reference points for
tracking the history of the earth.
PLEASE ONLY ANSWER IF YOU KNOW-
Answer:
D. They define geological periods because scientists use them as reference points for tracking the history of the earth.
Explanation:
Catastrophic events related to changes in geological timeline are very useful in defining geological periods.
These events have very significant appearance in the geological record and can be used to determine the history of the earth.
The catastrophic events usually culminates into extinction cycles or termination of some organisms from the earth surface.
Geologists use these events that are often wide spread to delineate geological periods.
Which of the following types of evidence includes hairs, fibers, and small amounts of bodily fluids?
A.
impression evidence
B.
ballistics
C.
trace evidence
D.
molded prints
E.
patent prints
Answer:
D.
Explanation:
patent prints is the answer I guess
Answer:
C. Trace evidence
Explanation:
For plato / edmentum
I took notes and in my notes is says -
Trace evidence: In addition to fingerprints, small measurable amounts of materials, such as hair, fibers, and bodily fluids (blood, urine, and so on), are also found at a crime scene. These materials can help investigators link a perpetrator or victim to the crime scene.
Please help me with this. All you ahev to do is just list a few features and behaviors of a sunflower.
Answer:
Features: Rough leaves in a long spiral pattern, Native to America
behaviors: heliotropism
Explanation:
During a chemical reaction, the quantity of products
O increases.
O stays the same.
O decreases
O fluctuates.
Im pretty sure it stays the same
Which choice below shows the correct connections for flow of information in living things?
a
DNA → Protein → mRNA
b
DNA → mRNA → Protein
c
DNA → DNA → Protein
d
mRNA → DNA → Protein
Explanation:
DNA → mRNA → Protein (b)
what are the levels of structural organization in a organism
Answer: Chemical, cellular, tissue, organ, organ system, organism.
Explanation:
The resting membrane potential of a neuron is generated by Group of answer choices the selectivity of the membrane to pass positive charges only. the greater mobility of small ions. diffusion of ions as a result of their concentration gradients. All of them repulsion of positive and negative charges.
Answer: diffusion of ions as a result of their concentration gradients.
Explanation:
Resting membrane potential can be defined as the basic charge of the cell. It is defined by the concentration difference between the ions due to the action of the ion pumps. The differential permeability of the membrane is because of the charge on the ions and leads to the creation of the ion channels. The negative charged ions accumulate on the inner side of the cell.
Can someone pls do this for me!! PLS HELP 30 points!!!!
Students will:
Play the role of an environmental activist who wants to share
your concern for the current extinction event that is supported
by evidence.
Research the evidence and relate it to past
extinction events.
Research 3 animals that are endangered and construct an
explanation for how the current state of these animals provides
evidence for the 6th mass extinction event.
You will then plan, write a script, and record a video or podcast.
Submit your digital production to your teacher.
Answer:
I can help you with the Endangered animals part and how they are today!!!
Explanation:
The Amur Leopard : Critically Endangered - A species of Leopard that lives in Russia and China. There are fewer than 100 left in the wild, 180 including all leopards in captivity.
The Western Lowland Gorilla : Critically Endangered - A species of primate that lives in montane, primary and secondary forest and lowland swampland in central Africa in Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea and Gabon. Only 100,000 are estimated to thrive in the wild
The Javan Rhino : Critically Endangered - The Javan rhinoceros, also known as the Sunda rhinoceros or lesser one-horned rhinoceros, is a very rare member of the family Rhinocerotidae and one of five extant rhinoceroses. It is Estimated that only 67 Javan Rhinos Exist in the wild today!
Hope this helped you!! Have a Wonderful Holiday!!!
Energy Flow through Ecosystems with Decomposers
The diagram below represents some energy transfers in an ecosystem.
Which type of organism is most likely represented by letter X?
decomposer
O autotroph
producer
O herbivore
1
2
3
4
5
6
7
8
Answer:
The cycle of energy is based on the flow of energy through different trophic levels in an ecosystem. ... At the first trophic level, primary producers use solar energy to produce organic material through photosynthesis. The herbivores at the second trophic level, use the plants as food which gives them energy.
Explanation:
The bases in DNA that can pair together are called;
A.
Complementary bases
B.
Purines
C.
Nucleotides
D.
Pyrimidines
Answer:
A. Complementary bases.
Explanation:
i think im right...
Answer:
A
Explanation:
Its complementary because the other 3 are all singular, and A is a pair of 2, so from that alone you know its the answer. But additionally, since they can pair together, they are complementary.
Explain how a defiancy of magnesium could cause yellows leaves or stunted growth
Answer:
not enough pigment in the plant
Explanation:
if there is not enough pigment in a plant it cant grow properly and it cant change its color.
Unstable individual atoms are made stable as a result of
A)
more, physical change.
B)
less, physical change.
more, chemical bonding.
D)
less, chemical bonding.
Answer:C
Explanation:USA test prep
1. The diagrams below represent the crystal shape and type of cleavage of
two different minerals. The crystal shape and type of cleavage of these
two minerals are determined mainly by the minerals
Crystal shape: cubic
Cleavage: three directions
- all at right angles
O A) color and type of luster
Crystal shape: rhombohec
Cleavage: three directions
- not at right angles
B) streak and hardness
OC) composition and atomic arrangement
OD) density and magnetism
Answer:composition and atomic arrangement
Explanation:
What if the function of bio molecules in the cell cycle?
Answer:
Several processes such as energy storage (carbohydrates), catalyzing the biochemical reactions (hormones), storing/transmitting the genetic codes (RNA/DNA), or altering biological and neurological activities (neurotransmitter/hormones).
Explanation:
The biomolecules may involve in several processes such as energy storage (carbohydrates), catalyzing the biochemical reactions (hormones), storing/transmitting the genetic codes (RNA/DNA), or altering biological and neurological activities (neurotransmitter/hormones).
Answer:
The bio molecules may involve in different processes such as energy storage, catalyzing the biochemical reactions, storing and/or transmitting the genetic codes, or altering your brain's activities.
Explanation:
Which compound that provides energy in cells is made in every tube where cellular respiration is occuring?
Answer:
ATP
Explanation:
Adenosine triphosphate, commonly known as ATP, is the chemical molecule that stores and provides/releases energy in cells. ATP is needed by the cells of every living organism and is obtained via a process called CELLULAR RESPIRATION.
Cellular respiration is the process whereby cells breakdown food molecules (sugar) to synthesize energy storing molecules called ATP. Hence, in every tube where cellular respiration is occuring, ATP is the produced molecule that provides energy.
process by which earths life form change over time
Answer:
Adaptations develop from variations within a population and help organisms to survive in their given environment. Changes in populations accumulate over time; this is called evolution. The fossil record shows us that present-day life forms evolved from earlier different life forms.
D. the amount of distilled water in the beaker has increased
are the answer choices
Answer:
The answer is B.
Explanation:
Model cell has high concentration of molecules but low water potential so osmosis occurs where the water enter the cell through the dialysis tubing causing the diameter to increase.
Starch is unable to diffuse out between it is a large insoluble molecules.
1. What is the primary organ used in the nervous system?*
A.Brain
B.Heart
C.Kidney
D.Skin
Answer:
A. Brain
Explanation:
Answer:
i would have to say A. Brain
Explanation:
because it is the only organ shown in the questions that is associated with the nervous system
Which type of bond is formed in nitrogen gas?
Answer:
Covalent bonds are formed in the nitrogen gas.
Explanation:
"Nitrogen atoms will form three covalent bonds (also called triple covalent) between two atoms of nitrogen because each nitrogen atom needs three electrons to fill its outermost shell (Lumen Learning)."
I hope this helps! Have a great day!
Separation of homologues occurs during
Group of answer choices
meiosis I.
fertilization.
mitosis.
meiosis II.
Answer:
Meiosis I
Explanation:
The separation of homologues occurs during meiosis I. The Option A.
When does the separation of homologues occur during cell division?During meiosis I, the process of cell division specifically designed for the formation of gametes, the separation of homologous chromosomes occurs. Meiosis I consists of several phases including prophase I, metaphase I, anaphase I, and telophase I.
In prophase I, homologous chromosomes pair up and exchange genetic material through a process called crossing over. During metaphase I, the pairs of homologous chromosomes align at the center of the cell. Then, in anaphase I, the homologous chromosomes separate and move toward opposite poles of the cell.
Read more about homologues
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Why does humus tend to increase with the clay content of soil?
A.
As the clay content increases, there is more surface area in the soil for organic matter to adsorb to, which decreases the rate of decomposition.
B.
As the clay content increases, the amount of plant lignin in the soil increases.
C.
As the clay content increases, the permeability decreases, which increases the rate of decomposition.
D.
As the clay content increases, there is more surface area in the soil for organic matter to adsorb to, which increases the rate of decomposition.
Answer:
A.
As the clay content increases, there is more surface area in the soil for organic matter to adsorb to, which decreases the rate of decomposition.
Explanation:
This is true because, humus which is the dark rich matter made up of organic matter would be able to be adsorb into the clay content of the soil due to the size of the particles component. The surface area in the soil is a strong factor when compared with other soil type with smaller surface area.
Choose ALL that apply: Changes the APPARENT WAVELENGTH of the light. 1 point
Redshift
Blueshift
Neither of these
Answer:
The correct answer is "Red shift"
Explanation:
Blue shift: When the source and observer approach one another, the evident frequency increments or apparent wavelength diminishes. Here the Doppler shift is positive. This is known as blue shift.
Red shift: When the source and observer move away from one another, the clear frequency diminishes or apparent wavelength increments. Here the Doppler shift is negative. This is known as red shift.
What is the name of the organisation who visits the hospital, reviewing evidence and asking staff questions to ensure compliance with the health and social care act?
Answer:
The name of the organization is "Health and Care Professions Council"
Explanation:
The Health care act shared perspective on quality, anticipates administrations to be fair to all and spotlight on improving quality. It will ensure that the nature of care doesn't change in light of the qualities of individuals utilizing administrations, their families and carers, for example, sexual orientation, race, handicap, age, sexual direction, religion, conviction, sex reassignment, or on the other hand conjugal or common association status. Any place individuals use care, it will be high caliber.