All categories

2 years ago

True or False: A neuron's response is all-or-nothing.

Biology

2 answers:

Lady bird [3.3K]2 years ago

3 0

Answer:

TRUE

Explanation:The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. ... Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.

GalinKa [24]2 years ago

3 0

Answer: True

Explanation:

You might be interested in

1. A series of events in which one organism obtains energy by eating another organism is called

Natalija [7]

Answer:

B. a food chain

Explanation:

Food chain: a hierarchical series of organisms each dependent on the next as a source of food.

6 0

2 years ago

What is the smallest taxonomic group that contains organisms of different species?

Vladimir79 [104]

Answer: Genus
From largest to smallest, the pyramid of binomial nomenclature goes: kingdom, phylum, class, order, family, genus, species.

8 0

3 years ago

What is the function of a circulatory system? a) It brings a transport liquid into close contact with all cells in the body. b)

Tomtit [17]

Answer:

The correct answer is a) It brings a transport liquid into close contact with all cells in the body.

Explanation:

The circulatory system helps in bringing the blood which is a transport liquid in close contact with the cells present in our body. This helps in gas exchange between cells and blood. The circulation of blood in the body occurs by the pumping of blood by the heart into arteries, veins, and capillaries.

This circulation of blood plays many other vital functions like transport of nutrients to the cells, transport of waste products from the cell to outside the body, transport of hormones, maintenance of body temperature, etc.

So all these processes become possible when transport liquid comes in contact with the cells. Therefore the right answer is a.

8 0

2 years ago

Answer the questions

solong [7]

Answer:

This is for the table at the top

Plentiful roaming space- increase - because they have more space they can live in.

Severe drought - decrease- because they wont have enough water

abundant food source - increase - Because they have enough food to sustain themselves

Habitat destruction - decrease - Because they won't have a place to live in

Elimination of predators - increase - Because there will be less animals hunting them for food.

Lack of competition - increase - Because they won't have to compete for food which will allow them to have more.

Disease outbreak - decrease - Because the disease will kill a lot of them and can potentially cause birth rates to go down

3 0

2 years ago

Consider a disease allele that is both dominant and lethal to patients that possess it. how could such an allele be passed on fr

Dmitry_Shevchenko [17]

Through parents having intercourse, so the genes are passed on to generation to generation,

4 0

3 years ago