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vodka [1.7K]
3 years ago
10

7. Which of the following is not a characteristic of chordates

Biology
1 answer:
nasty-shy [4]3 years ago
3 0
7.
C) Spinal column

8.
D) Moist
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A population of snakes that eat small rodents enters a new habitat. In the new habitat, there are many species of rodents, and t
eimsori [14]

2nd option, Genetic variation will increase because of a new habitat and food source

Tons of food (rodents) and they would have no competition for the rodents in the new habitat

5 0
3 years ago
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In this reaction _____. A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and
Fantom [35]

Answer:

The chemical reaction is: AB + CD ---> AC + BD  (ΔH=  - )

Explanation:

After the reaction between two reactants, two products are generated.

As the products have less energy than the reactants, this energy is released and ΔH is negative

8 0
2 years ago
Neurotransmitters are ________. Group of answer choices chemicals that cross the synaptic gap and bind to receptors on another n
Hoochie [10]

Answer:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)

Explanation:

Neurotransmitters are defined as the chemicals that is transported from a nerve cell across the synaptic gap to the receptor of another neuron or a target cell such as a gland cell or a muscle cell.

Neurotransmitters are generated in the central nervous system (the brain and spinal cord) and are stored in synaptic vesicles.

"Hence, the correct answer is:

chemicals that cross the synaptic gap and bind to receptors on another neuron

found only in the central nervous system (the brain and spinal cord)".

8 0
3 years ago
Which best describes the offspring of protists?
Hunter-Best [27]

Options found elsewhere:

-always genetically identical to one parent

-always genetically identical to both parents

-never genetically identical to one parent

-sometimes genetically different than both parents

Answer:

-sometimes genetically different than both parents

Explanation:

Protists are eukaryotes that cannot be classed as animals, plants, or fungi. They are quite diverse. Examples include amoeba, plasmodium, and slime mould.

Because they are so diverse, protists also have very different modes of reproduction. Some protists undergo asexual reproduction, where they simply make a copy of themselves without a mate. Others undergo sexual reproduction.

Therefore, the only option that can be correct is "-sometimes genetically different than both parents" .

If they were always genetically identical to one parent or both parents, that would mean that sexual reproduction could not be possible. If they were never genetically identical to one parent, that would mean that asexual reproduction could not be taking place.

7 0
3 years ago
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9. What is the function of nucleic acids? *
Firlakuza [10]

Answer:

a option

Explanation:

Please mark me brainliest

4 0
2 years ago
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