Explain how scientist might use a Dichotomas key/chart

PLEASE DONT SOMETIHNG RANDOM I WILL REPORT IF YOU DO

Answer:

A scientist might use a dichotomous key to classify an organism.

Explanation:

Dichotomous keys are used to identify organisms based on their observable traits.

The symbols IA, IB, and i represent blood types A, B, and O respectively, where I stands for dominant and i stands for recessive. Which Punnett square represents the cross between a woman with both A and B antigens and a man that has neither A nor B antigens?

is C27H46O a compound, element, or atom???

I'LL GIVE BRAINLIEST: CHOOSE TWO PHRASES

PLEASE HELLPPPPPPP

Read the passage.

To write Sir Isaac Newton’s biography, the historian had to do a great deal of research. She needed to collect a lot of documents to write about important moments in the scientist’s life.

The word root bio means life. What is the best definition for biography as it is used in the passage?

a story about a person’s life
a book written by a living scientist
a series of live interviews of a famous person
a work about what life was like for people long ago

can someone help me plzz ill give brainliest

15. What processes can cause rock to break apart into sediment?

What's an example of random mating?

A certain species of owl lives only in old-growth forests. If the trees where these owls live are removed by loggers, what will most likely happen to the owl population?



Group of answer choices

It will decrease to the point of extinction.

It will hibernate utnil the trees grow back.

It will increase in number.

It will evolve into a new species.

Using scientific methods to investigate natural phenomena has many benefits. Which of the
following describes a benefit of using scientific methods?


A.getting results that are based on empirical evidence

B.getting only results that are scientific truths

C.getting results that do not need to be repeated

D.getting results that always support a hypothesis

Write one paragraph about Tilikum the Orca's life in SeaWorld.

PLS PLS PLS help will give BRAINLIEST

The name of the pressure zone at 90 degree North and South is called the _____

Kaylee reads an article that states that the frequency of chirping by crickets is related to the temperature of their environment. She wants to conduct an experiment to see if this is true. Kaylee states this hypothesis: Crickets chirp more frequently when the temperature of their environment increases.
What is the test variable (independent variable) and outcome variable (dependent variable) in Kaylee's experiment?



A.test variable (independent variable): temperature of environment; outcome variable (dependent variable): frequency of chirping


B.test variable (independent variable): number of crickets; outcome variable (dependent variable): frequency of chirping


C.test variable (independent variable): number of crickets; outcome variable (dependent variable): temperature of environment


D.test variable (independent variable): frequency of chirping; outcome variable (dependent variable): temperature of environment

your organism is a dog. Mary and Amy have selected organisms for their study. Mary’s organism shares the same genus as your species, and Amy’s organism shares the same phylum as your species. Between Mary’s and Amy’s organisms, which one would likely share a stronger evolutionary lineage with your organism?

Food webs usually contain a wide variety of organisms. Which statement can be used to describe all
of the organisms in a food web?
A.They need a source of energy

B.They can make their own food.

C.They eat the remains of other organisms

D.They eat producers.

Which of the following describes air temperature and air pressure at higher altitudes?
A) Air temperature increase while air pressure decreases
B) Air temperature and air pressure both decrease
C) Air temperature and air pressure both increase
D) Air temperature decreases while air pressure increases

Which component of weather describes the weight of the atmosphere pressing down on Earth?
A) Air pressure
B) Air temperature
C) Precipitation
D) Wind direction

As air circulates around the Earth it is dragged to the right in the Northern Hemisphere and left in the Southern Hemisphere. This is due to the fiction created by the Earth's surface. This "dragging" of air is called _________

Why are there so many different kinds of proteins when there are only 20 different amino acids ?

I'LL GIVE BRAINLIEST IF YOU EXPLAIN THE ANSWER AND IF IT IS RIGHT:

In your opinion, do you believe that humans are impacting Earth’s crust through fossil fuel extraction? Why or why not?

What are the products of photosynthesis?


A. Carbon dioxide and energy


B. Oxygen, energy


C. energy and sunlight


D. energy and ATP

Basically you have to fill in the blanks. The first one is Minerals, I think.




The basic building blocks of soil, rocks, and metals are m__________. Products made from minerals include the metals used to make airplanes to zippers, salt for your food, and copper which covers the S__________ of L__________.

which screensaver is better?

I'm confused: Atoms combine to form molecules. Which of the following is another example of organization among living things?



Tissues combine to form cells.

Cells combine to form tissues.

Organs combine to form cells.

Organs combine to form tissues.

Try and answer this question! lol

Devon examines a small model of a palm tree. Which is a benefit of this model?



A.It has the same parts as a real palm tree.

B.It is the same size as a real palm tree

C.It is a living organism like a real palm tree.

D.It is made of the same materials as a real palm tree.

A mutation is a change in (blank)

help me on these two! i’m in 6th grade D:

Hello there im the person who fails math and english
Interduce yourself of what people call you

The image below has the question, It is a written response question.
Best CORRECT answer gets brainliest, Incomplete answers will not be tolerated.