BIOLOGY HIGH SCHOOL

Which of these is likely to result in the most competition? a. organisms that live in different ecosystems
b. organisms that use the same resource
c. organisms that live in the same area
d. organisms that are classified in the same phylum

Answers

Answer 1
Answer: a. organisms that live in different ecosystems
- if they live in different ecosystems, they won't compete, wrong answer!

b. organisms that use the same resource
-this is the best answer! they would compete over this resource!

c. organisms that live in the same area
-this makes competition possible, but more aspect are needed, for example they need to want the same resource (if you only eat apples and y our friend only eats ants, you won't compete)

d. organisms that are classified in the same phylum
-no, they can for example live in different ecosystems!
Answer 2
Answer:

Answer:

b. organisms that use the same resource.

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Rachel Carson can be credited for _______a.
the modern environmental movement, slowing the extinction rate of hibernating mammals, and writing laws to protect the environment
b.
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bringing attention to pesticides’ harmful effects on the environment, the modern environmental movement, and slowing the extinction rate of hibernating mammals
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bringing attention to the unchecked use of pesticides, brining attention to pesticides’ harmful effects on the environment, and the modern environmental movement

Answers

Rachel Carson can be credited for bringing attention to the unchecked use of pesticides, bringing attention to pesticides harmful effects on the environment, and the modern environmental movement. The correct option is D. Rachel Carson brought attention to the dangers of pesticides use through her books, she was the first person to bring light to the harmful effects of pesticides use and this propelled the government to establish the Environmental Protection Agency. She was also credited for advancing the global environmental movement.
the correct answer is D

Why are concentration gradients important to cells

Answers


A concentration gradient is the process of particles or solutes moving through a solution from areas of  greater particle concentration to areas of low particle concentration.

The importance of a concentration gradient is that it is what makes osmosis and diffusion to happen. If there were no gradient, there would be no movement of anything from high to low concentrations.  Because  cells are either hypertonic or hypotonic, nutrients and materials are able to flow either in or out of the cell and life is sustained. If all cells were isotonic, then there would be no flow of nutrients and materials and cells would not survive.  

If you put a pot on the stove, the pot becomes hot. The heat is transferred to the pot on the burner by radiation.TRUE/FALSE

Answers

Answer:

the answer is FALSE

Explanation: I already turned in my test so I know that this is the correct answer. because it is caused by conduction NOT  radiation.

the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
The answer is True. The heat is transfered to the pot by radiation.

The 9:3:3:1 ratio of the offspring in Gregor Mendel’s dihybrid crosses led him to conclude that _____________________________. 1)some of the alleles were more abundant in the population of garden peas than others 2)the inheritance of different traits are connected to each other 3)some traits are dominant over other traits 4)the inheritance of one trait does not impact the inheritance of another trait

Answers

It is 3 . I wish it help. Please comment on my answer. Thank you
it's 3 , hopefully my answer was helpful?

What is the slope of the line that passes through the points (-2,5) and (1,4)?

Answers

Hello!

Explanation:

Slope: (Y^2-Y^1)/(X^2-X^1)=(rise)/(run)

(4-5=-1)/(1-(-2)=1+2=3)=(-1)/(3)=-(1)/(3)

Slope is -1/3

Answer is -1/3

Hope this helps!

Thanks!

-Charlie

:)

:D

Color blindness is a recessive trait. The gene for color blindness is on the X-chromosome. The family tree below shows the trait of color blindness. The only unknown is the mother in the first generation. What is true about the mother?

Answers

The true statement about the mother of this family tree is that she is a carrier for color blindness.

The correct option is (B).

What is color blindness?

Color blindness is a disability in which you are unable to see colors normally. Color deficiency is another name for it.

It is a condition in which a person is unable to distinguish between different colors.

The most common colors are greens and reds, but it can also happen with blues.

This condition is only dominant in males, but females carry this disability as recessive carrier, so they can transfer this gene to the next generation.

Thus, option (B) she is a carrier for color blindness is correct.

Learn more about color blindness, here:

brainly.com/question/25621649

B,

since males only need one recessive trait for it to show, and the father is not colorblind, the mother at least has to be a carrier for the colorblindness trait.
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