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Dmitriy789 [7]
3 years ago
5

How has molecular evidence affected our understanding of modern evolutionary theory?

Biology
1 answer:
Greeley [361]3 years ago
6 0

Answer:

A

Explanation:

Molecular biology explores DNA sequences, and of amino acid sequences in proteins, between species and deduces relationships based on degrees of similarity and differences in the sequences. This has been shown to support and corroborate evolutionary evidence based on fossils findings.

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Which of the following is a function of stomata?
Vedmedyk [2.9K]


The most accurate answer is release water vapor.

Stomata are special pores in plants  found typically on the outer leaf skin layer called the epidermis. They consist of two specialized cells called guard cells that surround a tiny pore called a stoma.

Their main function is to allow water vapor and gases such as carbon dioxide and oxygen to move rapidly in and out of the leaf.

The word stomata means mouth in Greek because they allow communication between the  internal and external environments of the plant.

8 0
4 years ago
How does this map represent the significant deaths among the Native American population after the Europeans arrived in North
Alecsey [184]

Answer:

NUMEROUS DISEASES SPREAD

Explanation:

When Columbus stumbled upon the Americas, he and his crew were carrying numerous diseases, including smallpox, which killed 50% - 90% of the Native people's population.

4 0
2 years ago
What happens in the postsynaptic neuron when excitatory neurotransmitters bind to receptors?
zubka84 [21]

Answer:

it causes the depolarization of the target cell

Explanation:

Glutamate is an excitatory amino acid neurotransmitter that binds to specific receptors on the surface of target cells and thus causes its depolarization. During glutamate-mediated depolarization, the difference in charge inside and outside the cell is lost due to the entry of sodium and calcium positive ions into the postsynaptic cell (neuron) through specific ion channels. Moreover, glutamate binding also leads to the exit of potassium ions from the cell, thereby resulting in excitation. Through this mechanism, glutamate regulates many signaling pathways, such as those involved in memory, learning, emotions, cognition, motor control, etc.

6 0
3 years ago
"Consumers" within a biome are:<br> herbivores<br> carnivores<br> plants<br> omnivores
MaRussiya [10]

if you are aking if that is true then yes but there are also secondary, primary consumers... decomposers... detritivores

6 0
3 years ago
Regarding the order rhizobiales of the class alphaproteobacteria, which genus includes human pathogens?
Marat540 [252]
Regarding the order rhizobiales of the class Alphaproteobacteria, the genus that includes human pathogens is Brucella.
Rhizobiales are a type of Alphaproteobacteria, which are a type of Proteobacteria, which are Gram-negative bacteria.
Brucella is also a type of Gram-negative bacteria that can cause brucellosis, which is an infectious disease caused by eating unpasteurized milk or undercooked meat.
5 0
3 years ago
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