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Jlenok [28]
4 years ago
13

Will give thanks!!! HELP NEEDED

Biology
1 answer:
Sedbober [7]4 years ago
8 0
Genetic variation is caused by mutations in the gametes and meiosis. 

The large ears of the rabbits may help them hear when predators are coming. If they hear them coming, then they may be able to escape.

A polar bear with dark fur would be more obvious to its prey, who would more easily avoid him. The other white ones can blend in better and have a less chance of being detected by prey. 

Organisms have genetic variation
The conditions change
The ones better at coping... survive
Survivors breed and pass on their variation
natural selection occurs

Some bacteria are more resistant
Antibiotic is added
Some bacteria survive
The survivors reproduce
Low levels of antibiotic remain

Charles Darwin


Hope I helped
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The answer is the last one: amoebas, yeasts, hydras, and ferns
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Aerobic respiration occurs in the presence of?
weqwewe [10]

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Oxygen.

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Galen's new baby is scrunching up her face, breathing irregularly, making little sounds, and moving her eyes rapidly back and fo
bulgar [2K]
<span>The answer would be: No, the baby is most likely in the REM sleep stage
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One of the cycles of sleep called Rapid Eye Movement or REM. In this cycle, the eye is moving constantly and intermittently. The eye movement is not voluntary and the baby is not a sign of waking up. This cycle is important, so the parent should not interrupt it by waking the baby.

8 0
3 years ago
crustal formation,which may cause the widening of an ocean is most likely occurring at the boundary between...?
balandron [24]

Divergent boundary.

This is the boundary between two tectonic plates move away from each other in opposite directions.

Explanation:

One major example of a divergent boundary is the mid-Atlantic ridge that cuts, longitudinally, across the middle of the Atlantic ocean.

When two tectonic plates move away from each other in opposite directions, the void they leave in between is filled by rising magma from the mantle and cooling to create new crust. A mountainous ridge along a boundary is evidence of a divergent boundary. The Atlantic ocean will therefore continue to widen as the North American and Eurasian Plates move away from each other. As new crust is formed at divergent boundary, old crust is being consumed at convergent boundary on another end of earth. This way tectonic plates of earth renew themselves.

Learn More:

brainly.com/question/12655537

#LearnWithBrainly

7 0
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