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vlada-n [284]
3 years ago
6

How many extinct species was man responsible for

Biology
1 answer:
alexandr1967 [171]3 years ago
3 0
Humans caused over 322 animal extinctions over the past 500 years

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Which characteristic do all protists have?
myrzilka [38]

Answer: They all survive in any environment.

Explanation: Protists have the ability to survive in any environment, even extreme environment. They can live in the ocean, desert or extremely hot environment, or even a extremely cold environment.

I'll explain why the others aren't correct.

Protists can be both unicellular and multicellular, they're not always unicellular. Kingdom Protista contains all eukaryotics, so they're not always unicelluar.

Protist cannot make or consume food. Animals consume food, and plants make food, not protista. Yes they're many plant-like protists out there, such as algae, they get their food from the sun above. So all protists cannot make or consume food.

Protist does have flagella, but not all protists. Protists that are motile and generate movement have flagella, meaning they move. Not all protist move, like plants can't move. So, not all protists have flagella, meaning they can move.

Let me know if you have any questions.

<em>                                                                                            Sincerely, Lily :)</em>

6 0
3 years ago
Read 2 more answers
"Blank" filtration of the blood is called dialysis.
EastWind [94]
1.Artificial
c.blood and cells
c.presence or absence of a particular plasma
8 0
3 years ago
A parent DNA molecule replicates, resulting in two daughter DNA molecules. Which of the following is true? A. Each daughter mole
Alona [7]
The answer is D, <span>Each daughter molecule contains one DNA strand from the parent molecule.</span>
8 0
3 years ago
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A relationship in which one organism is helped and another organism is neither helped nor hurt is called
algol13

Answer:

Commensalism

Explanation:

Commensalism is when one organism is helped while the other is neutral (neither hurt nor helped).  Example: clownfish and anemone.

7 0
3 years ago
Somatic motor neurons are used to transmit motor signals to muscles. For example, a somatic motor neuron carries a signal from y
Andru [333]

Answer:

Dendrites, cell body, axon hillock, axon, synaptic terminals, biceps brachii.

Explanation:

Neurons are the structural and functional unit of the nervous system. The neurons helps in the transmission of nerve impulse in the body. Two main types of neuron are somatic neuron and motor neuron.

The signal is first reach to dendrites. From the dendrites, the signal transmit to the cell body and then to the axon hillock. The signal then transmits to the axon. At the end of neuron the message is transmitted to the synaptic terminal. The nerve impulse finally reaches to the biceps brachii and results in the flexion of the arm at the elbow.

6 0
3 years ago
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