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gladu [14]
3 years ago
14

Blood returning to the mammalian heart in a pulmonary vein drains first into the _____.

Biology
1 answer:
WARRIOR [948]3 years ago
6 0
Is there like options in this question?
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A scientific hypothesis must be _____​
Bumek [7]

Answer:

testable

Explanation:

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7 0
3 years ago
Adults of species in the order ___ have 2 wings and the greatest variety of mouthparts. Group of answer choices Isoptera Coleopt
Y_Kistochka [10]

Adults of species in the order <u>Coleoptera</u> have 2 wings and the greatest variety of mouthparts.

<h3>Order Coleoptera</h3>

The coleopterans, (order Coleoptera), consist of the beetles and weevils. It is the largest order of insects.

They have two pairs of wings:

  • One of the pair is the hard-shelled outer wings known as the “elytra”. These are not used for flying, but to protect the beetle's flying set of wings and its body as it crawls through narrow passages and tunnels in a tree.

  • The second set of wings is membranous and is folded under the elytra when not in use.

Learn more about insects:

brainly.com/question/2749308

4 0
3 years ago
Which clue indicates that speciation has occurred between two populations?
Svetlanka [38]
<span>The clue which indicates that speciation has occurred between two populations is definitely </span>D.
The two populations can no longer interbreed. I picked this one because <span>speciation is a process when two populations become distinct. Hope it will help!</span>
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4 years ago
The muscle tissue that can be consciously controlled is
IRINA_888 [86]

The muscle tissue that can be consciously controlled is

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4 0
3 years ago
Can someone help me with some biology quizzes?? i'm in pre AP 9th grade biology
Zielflug [23.3K]
Sure. What’s the questions? Post them
7 0
3 years ago
Read 2 more answers
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