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yuradex [85]
3 years ago
15

Can some help me please this is an assignment

Biology
1 answer:
m_a_m_a [10]3 years ago
3 0
Yeah sure what do u need help with
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In order to support his theory of evolutionary change, Charles Darwin concentrated his studies on the many species of finches in
ale4655 [162]

I think the answer would be c. because for birds with longer beaks, it was easier to eat seeds off a cactus (for example), and for birds with shorter seeds, it was easier to eat seeds off the ground.

4 0
3 years ago
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Research indicates that as levels of happiness increase, cortisol levels appear to increase as well. Please select the best answ
iogann1982 [59]

Cortisol hormones are stress hormones that increase blood glucose levels. When the level of happiness increases the level of cortisol does not increase.

<h3>What are cortisol and its function?</h3>

Cortisol is the steroidal hormone that is produced in the cortex of the adrenal glands and is discharged in the blood vessels when in stress or danger.

It has a variety of functions including regulation of the blood pressure, response to the stressful condition and increase of the metabolism of the body.

It also acts as happiness hormones along with adrenaline and oxytocin but is a major flight or fight hormone and increases the heart rate in dangerous conditions.

Therefore, the statement is false.

Learn more about cortisol here:

brainly.com/question/26291522

3 0
2 years ago
Please help giving brainliest
Ganezh [65]

Answer:

D!!

All of these are ocean animals.

4 0
3 years ago
Over evolutionary time, photosynthesis has, in effect, introduced challenges to itself by producing an oxygen atmosphere because
jenyasd209 [6]
<span>In the process of photosynthesis, carbon dioxide is taken from the atmosphere and oxygen is realased. But now with the evolution, the atmosphere has much more oxygen than carbon dioxide. So the first step of absorbing carbon dioxide itself has been challenged by the process of photosynthesis.</span>
3 0
3 years ago
Do plants undergo photosynthesis in a dark environment (not total absence of light)? If so, what would you expect to happen to t
mihalych1998 [28]

Answer:

See explanation

Explanation:

In a situation whereby a plant is in an environment where light is not totally absent, the plant continues to photosynthesize at a slower rate.

Recall that photosynthesis is the process by which green plants make their own food in the presence of sunlight, chlorophyll, carbon dioxide and water.

In a low light, plants are forced to stretch towards the low light source. This is known as etiolation of plants.

5 0
2 years ago
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