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ycow [4]
3 years ago
8

Which option is it? Please help

Biology
2 answers:
Nat2105 [25]3 years ago
7 0

Answer:

The correct anwser is D. Signals inside the spinal cord

Explanation:

hope this helps :)

kolezko [41]3 years ago
5 0
The answer is D Correct me if I’m wrong :).
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Ling feeds her guppies one-half teaspoon of fish food every day. The average guppy population in her aquarium over a four-month
Brrunno [24]

Answer:

B. Food was a limiting factor.

C. As long as Ling keeps adding more food, the guppy population will continue to grow

Explanation:

Limiting factor refers to biotic or abiotic factors that limit or affects the growth of species. In the population of guppies, food was a limiting factor that affects their population growth. Indeed!, it is vivid from the experiment that after Ling increases the amount of food being given to the guppies, there is a significant increase in the population growth.

We can thereby conclude that  the following statements that supported these data goes thus;

Food was a limiting factor and as long as Ling keeps adding more food, the guppy population will continue to grow.

5 0
3 years ago
Organización política del mundo
blondinia [14]

Answer:

Estados y fronteras

La organización política del mundo se manifiesta en la creación de estados; es decir, organizaciones políticas independientes que ejercen su poder sobre un territorio delimitado por unas fronteras y habitados por una población determinada.

Explanation:

8 0
3 years ago
Before exploring some of the features of the different types of eukaryotes, we should first review some of the fundamental diffe
kap26 [50]

Answer:

I think you missed to include some information to answer this question

Explanation:

6 0
4 years ago
when a neurotransmitter opens a chemically gated ion channel that allows sodium to enter the postsynaptic cell, the result is an
KatRina [158]

This will result to an excitatory postsynaptic potential ((EPSP)

Neurotransmitters are those chemical messages that transmits signals from nerve cells to their target cells.

Neurotransmitters are packed inside vesicles at the presynaptic nerve terminal.

The arrival of an action potential at this terminal leads to opening of Voltage gated channels.

This leads to a change in membrane voltage of the postsynaptic cell following the influx of positively charged ions (sodium ion) into the cell which is called the excitatory postsynaptic potential.

Therefore, excitatory postsynaptic potential ((EPSP) occurs when a neurotransmitter opens a chemically gated ion channel that allowing sodium to enter the postsynaptic cell.

Learn more here:

brainly.com/question/3360848

7 0
3 years ago
A student drew the following diagram to model the structure of a prairie
VladimirAG [237]

Answer: B. Level 1

Explanation:

The prairie community is dominated by the grass and vegetation cover. Thus the lower most trophic level in the prairie ecosystem are the short and tall grasses. They produce major source of biomass for the herbivores of the food chain. They consume the grasses can be designated as primary consumers of the food chain. Also the producers which are grasses which make up the large amount of biomass will provide a source of food for the consumers. They will receive 100 percent energy from the sun and they will utilize 90 percent of it to make their food by the process of photosynthesis.  Only ten percent of energy is transferred to the next trophic level.

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