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Eddi Din [679]
3 years ago
12

The brain uses active transport to move ____ across the blood-brain barrier.

Biology
1 answer:
Varvara68 [4.7K]3 years ago
3 0
<h3>the correct answer is glucose</h3>
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The bones in a bird are hollow, reducing its weight for flight. This is an example of which characteristic of life?
dimulka [17.4K]

The bones in a bird are hollow, reducing its weight for flight, this is an example of ADAPTATION. The adaptive responses emerge as a consequence of different environmental pressures.

<h3>Adapatation and environment</h3>

Adaptation is an evolutionary process by which organisms adjust to the environment in which they live.

For example, the bones in a bird are hollow because this adaptive feature enables them to fly.

Adaptations are a consequence of the process of natural selection, i.e., the differential survival and reproduction of the fittest organisms.

Learn more about adaptations here:

brainly.com/question/2396978

7 0
2 years ago
Drug side effects are endless and can vary depending on the ____________.
zubka84 [21]
The answer is : Individuals
The drug side effect is the result from the interaction from the substance contained by the drugs and the environment in our body.
Which means that the effect will be very much influenced by the individual's age, wage, height, gender, diet, metabolism, muscle mass, etc.
7 0
3 years ago
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All organisms in an ecosystem are interrelated by the abiotic and biotic resources they use in the course of their lives:
jonny [76]

<span>a)      </span>The milkweed is the primary producer in the ecosystem. It manufactures food from the abiotic factors in the soil such as nitrates and water and those in the atmosphere such as carbon-dioxide and sunlight. The milk weed is then fed on by the caterpillar and a primary consumer. The caterpillar is then fed on the mocking bird (secondary consumer)

<span>b)      </span>Increased human population growth and their activities have resulted in the emission of carbon dioxide and other greenhouse gases in the atmosphere. This has increased the global temperature. This increase of global temperature increase ocean temperatures causing coral bleaching.

Another example is depletion of water sources by human activities hence causing drought. Drought reduces the amount of vegetation growth due to scarcity of water in the soil (due to lowering of the water table) for plant growth.  

3 0
3 years ago
A track team captain thinks that eating breakfast and having a good night's sleep may affect the team's performance.
mestny [16]

Answer:

I'm pretty sure the answer is A

3 0
3 years ago
Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low. Th
stich3 [128]

Answer:

B. Cellular Respiration

Explanation:

Because u have to think which one does the samething as photosynthesis

5 0
2 years ago
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