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Cerrena [4.2K]
3 years ago
13

Medulla oblongata helps in controling a.heart beat b.memory c.movement d.respiration

Biology
1 answer:
snow_lady [41]3 years ago
6 0
The medulla controls heart beat
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Animals that advertise their poisonous or dangerous qualities use a defense called ________ mimicry.
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The correct answer is Batesian. Animals that advertise their poisonous or dangerous qualities use a defense is called Batesian mimicry. Batesian is basically a mimicry form that a harmless species evolved into some warning for a harmful one directly on the predators.
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A cross between two squash plants that produce yellow squash results in 124 offspring: 93 produce yellow squash and 31 produce g
iVinArrow [24]

Answer:

<h2>Both Yy</h2>

Explanation:

1. As  given here,

Total offspring are= 124;

that produce yellow squash= 93;

that  produce green squash= 31;

2. Let Y  for yellow producing squash and y for green squash;

Y is dominant over y.

3. Cross between two yellow squash producing plants

Genotype of parents = Yy and Yy

offspring = YY, Yy, Yy and yy,

as Y is dominant over y, so YY and Yy all produce yellow squash, and yy  produce green squash.

4. Their phenotypic ratio is 3:1 , as in question 93: 31

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3 years ago
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Reciprocal altruism can be best explained with a model proposed by Robert Trivers in 1971. Trivers hypothesized that if one indi
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Answer:

Reciprocal altruism is one of the altruism behaviors in which an individual organism helps in increasing the fitness of another organism by reducing the fitness of itself temporarily in expectation of the same behavior from another organism in the future later.

It takes place in the same set of organism partners which is a continuous interaction ion in stable groups of organisms.

Thus, the correct answer would be - an ongoing interaction in the same set of partners.

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3 years ago
Whch part of reproductive system produces semen​
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The answer is Testicles (testes)
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Roots are important plant structures because they___________?
yulyashka [42]
D would be the correct answer
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