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Usimov [2.4K]
3 years ago
11

.

Biology
1 answer:
Vladimir79 [104]3 years ago
4 0

nearly perpendicular or closer to a 90˚ angle

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Drag the tiles to the correct boxes to complete the pairs.
Bad White [126]

Bone —> provides structure for the body.

Heart —> pumps blood through the body.

Stomach —> breaks down food into small particles.

Lung —> oxygenates blood.

8 0
2 years ago
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3 examples of organisms that use camouflage as an adaptation to survive
ELEN [110]
Owl, Uroplatus Geko, and Spiders
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3 years ago
Explain the changes that occur as a tadpole becomes an adult frog or toad.
Stells [14]

Answer:

Well one of the first changes it the tadpoles start growing legs. Then it will continue to grow, changing and changing as it goes. Then it will start to live on land, and it will live on land as a tiny frog until it is completely grown up.

8 0
2 years ago
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Clownfish live in sea anemones, which protect the fish from predators. The sea anemone isn't harmed and doesn't benefit from thi
quester [9]
The answer is commensalism.

<span>Commensalism is a relationship between two organisms in which only one of them has benefit, and the other one is not affected (it has no harm or benefit).
</span>In this example, clownfish has the benefit - it is protected from predators by sea anemones. <span>The sea anemone isn't harmed and doesn't benefit from this relationship. Hence, this is the example of commensalism.</span>
3 0
3 years ago
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This is a type of protein found in the cell membrane, which regulates the coming and going of substances into or out of the cell
natita [175]

Answer:

Gated ion-channels

Explanation:

These ion channels are protein molecules that act as a passageway which span across the cell membrane allowing the movement of ions from one side of the membrane to the other. They possess the ability to open and close in response to either chemical or mechanical signals.They possess a fluidic pore, which becomes available to ions after a conformational change in the protein structure has been activated causing the ion channel to open.  Based on the stimulus to which they respond, ion channels are divided into three groups: voltage-gated, ligand-gated and mechano-sensitive ion channels. Channels responding to electrical (voltage-dependent ion channels), mechanical, or chemical (ligand-gated ion channels) stimuli open and allow rapid ion movement into or out of the cell, and this movement creates an electrical signals.

7 0
3 years ago
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