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Lana71 [14]
3 years ago
12

Help me pls i will mark you as brainliest

Biology
2 answers:
Gelneren [198K]3 years ago
8 0

Answer:

I guess the answer for the first picture is no.A that is consume a wide variety of food.

jeka943 years ago
3 0

Answer: first qusetion the last one       and the second the third

Explanation:

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Why do adult urochordates (tunicates) lack notochords, even though larval urochordates have them? Larvae use notochords to _____
kirza4 [7]

Answer: Option A

Explanation:

A tunicate is marine invertebrate animal  which is a part of chordates. They have notochords and dorsal nerve chord. The subphylum of the organism is called as Urochordata.

The adult urochordates lack notochord but the larval stage of the urochordates have notochord. This is because it helps in swimming of the organism which is required only at the larval stage.

The adult stage of the tunicates is sessile and they do not swim so they do not require notochord.

8 0
3 years ago
What percentage of nitrogen does our atmosphere contain?
alekssr [168]
Earth's atmosphere is 78%<span> nitrogen </span>21%<span> oxygen, </span>0.9%<span> argon, and </span>0.03%<span> carbon dioxide with very small percentages of other elements.
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5 0
3 years ago
How many chromosomes are present in a human cell nucleus
larisa86 [58]

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There is 46 pairs of chromosomes.

3 0
3 years ago
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Reptiles and birds excrete waste as an insoluble white solid that<br> homeostasis in hot climates?
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That is called uric acid and it helps them maintain internal homeostasis in hot climates by retaining water
3 0
2 years ago
Need help food class is hard
Dvinal [7]
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The answer is either that he is a scientist or a chemist, but I think I’d go with scientist.

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