Rocks from the Ordovician Period contain evidence that plants began colonizing dry land at this time. Most experts agree that the ancestors of land plants first evolved in a marine environment, then moved into a freshwater environment and finally onto land.
Ordovician Period, in geologic time, the second period of the Paleozoic Era. It began 485.4 million years ago, following the Cambrian Period, and ended 443.8 million years ago, when the Silurian Period began. Ordovician rocks have the distinction of occurring at the highest elevation on Earth—the top of Mount Everest.
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Answer:
The answer is true..
Yes, the presticides cause aquatic animals like fishes to die..
The tall allele is dominant and the dwarf allele is recessive. What is the abbreviation for the dwarf allele
Answer:
t
Explanation:
really just lowercase but I would you T,t because your talking about being tall or dwarf so you need to know that the T is tall and the t is dwarf
Hope this helped
The bright color pigment of some frogs serves as a warning to predators. This chemical defense is known as ___.
Answer:
A pose mat is m
Explanation:
I searched it , but basically a pose mat i s m is when an animal is brightly coloring to warn predators that it is not worth eating.
Put the first word together, brainly wont let me post
The bright color pigment of some frogs is processed as a warning to vampires. This chemical defense is understood as poisonous.
What is Chemical defense?
These bright colors serve as a warning to predators: "Don't consume me; because it is poisonous." In this consideration, frogs aren't overhead bluffing.
Some nonpoisonous species of frogs have assumed the colors of poison dart frogs to trick vampires into offering them an expansive berth they don't earn.
This technique is prompted by melanin, a dark pigment. These frogs usually combine in with their surroundings and their skin functions as camouflage.
Different anurans are brightly embroidered. When If the bright colors alternate with opaque splotches the coloring may serve as a warning to predators that the frog or toad is poisonous.
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Sugar and yeast inflate a balloon
because what is produced
Answer:
As the yeast feeds on the sugar, it produces carbon dioxide. With no place to go but up, this gas slowly fills the balloon. A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough.
Explanation:
Distinguish between smooth endoplasmic reticulum and rough endoplasmic
reticulum (1 point)
Smooth endoplasmic reticulum has ribosomes attached to
its surface
Smooth endoplasmic reticulum has vacuoles attached to its
surface
Rough endoplasmic reticulum has ribosomes attached to its
surface
Rough endoplasmic reticulum has vacuoles attached to its
surface
The smooth endoplasmic reticulum is different from rough endoplasmic reticulum as the rough endoplasmic reticulum has ribosomes attached to its surface which are absent in smooth endoplasmic reticulum. Thus, the correct option is C.
What is Endoplasmic reticulum?
Endoplasmic reticulum (ER) is a large, dynamic structure which serves for many roles in the cell. There are two types of ER which are Smooth Endoplasmic Reticulum (SER) and Rough Endoplasmic Reticulum (RER). The diverse functions of the ER are performed by distinct domains present in the ER consisting of tubules, sheets and the nuclear envelope.
Rough endoplasmic reticulum contains ribosomes on its surface and synthesizes protein, whereas the smooth endoplasmic reticulum does not contain ribosomes and functions to make lipids and detoxify the cell. Large amounts of SER are found in the cells which participate in lipid metabolism and detoxification of the body, such as liver cells.
Therefore, the correct option is C.
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5. Which of the following enclose their DNA in a nucleus?
b. bacteria
c. eukaryotes
d. viruses
the ames test is used to determine whether or not a compound causes __________.
Answer:
mutations
Explanation:
the ames test is used to determine whether or not a compound causes mutations in DNA
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Can you help me (only used these terms)
Molecule
Subscript
Element
Solid
Compound
Liquid
Pure substance
Mixture
Vapor (gas)
Answer:
Subscript- tells how many of each atom there are in a chemical formula
element- a substance containing only one type of atom
solid- a state of matter where particles vibrate and are not free to move
compound- two or more atoms chemically bonded together
liquid- a state of matter in which particles slip past each other
pure substance- all of the smallest individual pieces are the same
mixture- different types of atoms or molecules that are physically mixed together
vapor- a state of matter in which molecules are far apart
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which best describes the sex chromosomes
sex chromosomes are the chromosomes which describe sex of an individual
female have teo X chromosomes and male have one X and one Y chromosome
Why are the intestines and stomach not weighed during an autopsy.
Answer:
All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food and feces that remain.
All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food and feces that remain.
What is autopsy?A post-mortem examination, often known as an autopsy, is a specialist surgical process used to ascertain the cause and manner of death. The medical explanation for why a patient passed away is called the cause of death.
The circumstances surrounding the death are known as the mode of death. The following causes of death are recognized in natural, accident, homicide and unknown.
Our understanding of disease is constantly expanding thanks to autopsies. The information obtained through autopsy enables professionals to better comprehend disease processes, make accurate diagnoses, enhance treatment, and perhaps even help other patients who are currently afflicted with a similar condition.
Therefore, All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food.
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examine the importance of your role as part of the family and community
Answer:
The important role of the family is communicating with each other, understanding,helping, and love my family
The important role of community help people how's need help, make my community clean and fresh
Hope it helps!
This is the start of a muscle and is the non moving end.
Answer:
What questions should you ask when analyzing how a character develops a theme? Check all that apply.
How does the character react to conflict?
How is the character changed by conflict?
When does the climax occur in a play?
Is the theme relatable to people around the world?
What lessons does the character learn based on the resolution of the conflict?
Explanation:
What questions should you ask when analyzing how a character develops a theme? Check all that apply.
How does the character react to conflict?
How is the character changed by conflict?
When does the climax occur in a play?
Is the theme relatable to people around the world?
What lessons does the character learn based on the resolution of the conflict?
Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answer:
prisms
eyeglasses
Explanation:
i new the answer
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Find common denominators and add. Select all that apply.
1
2
+
5
8
6
16
1
2
16
1
1
8
9
8
The common denominator is 8, hope this helps.
how much atp is gained at the end of cellular respiration
Does hypertonic mean out of the cell.
Answer:
yes
Explanation:
In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.
what is hereditary information contained in
Answer:
Genes
Explanation:
Hereditary information is stored in genes, which are found on each cell's chromosomes. Each gene contains a single piece of information. An individual's inherited trait can be determined by one or more genes, and a single gene can influence more than one trait. There are thousands of different genes in a human cell.
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Describe any other local examples of relationships between organisms that may influence population numbers?
Answer: trees, flowers, bees
Explanation:
There are two types of reproduction, sexual and asexual Sexual reproduction involves two parents, while asexual reproduction only involves one,
Sort the reproductive processes below according to whether they are asexual or sexual.
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Creation of an egg
Creation of fruit
Mushrooms producing spores
Production of seeds
Stem cuttings of plants
Sexual
Asexual
Budding in yeast
drag and drop answer here
drag and drop answer here
Creation of an egg- sexual
Creation of a fruit - sexual
Mushrooms producing spores - Sexual
Production of seeds - Sexual
Budding in yeast - Asexual
Stem cuttings of plants - Asexual
________happens in the mitochondrial membrane and is where hydrogen ions are
pumped through to create ATP
O glycolysis
Okreb's cycle
O light reactions
electron transport chain
Explanation: Electron transport chain
How are hydrogen ions pumped across the membrane?
Image result for what is used to make the mitochondrial membrane and is where hydrogen ions are pumped through to create ATP
During electron transport, energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space. A chemiosmotic gradient causes hydrogen ions to flow back across the mitochondrial membrane into the matrix, through ATP synthase, producing ATP.
Which of the following is TRUE of compact bone?
Answer:
c. It gives bone its white, smooth appearance.
Explanation: is correct
Describe the role that rivers and streams play in the water cycle.
Plants obtain energy from
a. soil
c. anabolism
d. fertilizer
b. sunlight
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Answer:
Sunlight
Explanation:
Plants rely on the energy in sunlight to produce the nutrients they need. But sometimes they absorb more energy than they can use, and that excess can damage critical proteins. To protect themselves, they convert the excess energy into heat and send it back out.
how is metaphase produced?
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell. ... As metaphase continues, the cells partition into the two daughter cells.
What are the three types of posttranscriptional processing?.
Answer:
5' capping, addition of the poly A tail, and splicing.
Explanation:
I got it right on the test!!!! I hope this helps.
True or False: Cardiac muscle is also known as smooth muscle.
Answer:
FALSE
Explanation: post protected
darwin found that many of the species on the galápagos islands
which of the examples are considered anabolism? select all that apply.
Anabolism is for the synthesis of complex molecules essential in the building up of organs and tissues. It is therefore responsible for the increase in body size. Examples of anabolism are bone growth and mineralization, and muscle mass build-up.
Answer:
DNA nucleotide synthesis or polymerisation or condensation reactions;
Catabolism is breaking down of a larger molecule, so 1 large will become 2 or more smaller molecules;
Anabolism is the opposite, 2 or more smaller molecules will join together to form 1 larger molecules
what is the function of the organelle identified as #6 in the picture it is mostly brown folded over and is in the lower right part of the cell
Answer:the presence of a true nucleus
Explanation:
soil is the largest terrestrial pool of carbon , containing about 2,200 gigatons. the primary reason that soil is such a large pool of carbon is which of its characteristic?
A) formation from weathering of rocks
B) organic content, including microbes
C) pore spaces allowing the flow of water
D high surface area increasing oxidation
The characteristic of soil that makes it the largest pool of carbon is its organic content, including microbes.
Soil is defined as the outermost portion of the earth's crust on which plants grow. The soil is the part of the earth that supports plant growth because it is rich in nutrients and organic matter.
Plants and animals die and decompose. The carbon content of these organisms are thereby returned to the soil. Also, many microbes are found in soil. Therefore, the characteristic of soil that makes it the largest pool of carbon is its organic content, including microbes.
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