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skad [1K]
3 years ago
10

Type the word that appropriately completes each statement.

Biology
2 answers:
gayaneshka [121]3 years ago
8 0

exExplanation: external internal

Sedaia [141]3 years ago
8 0

Hello, 3Coli here!

Here is your answer:

In  <u>external</u> fertilization, the female fish releases eggs in the water or on a surface. The male fish spreads sperm over the eggs to fertilize them.

In <u> internal</u><u> </u> fertilization, the eggs are fertilized inside the female's body. The young develop there until the female gives birth.

Hopefully, this helps! :D

Ask your question below!

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Which element is the main component of all organic molecules?
Zigmanuir [339]
Carbon ^^ is the answer if I’m not mistakenn
4 0
2 years ago
What is a secure chemical landfill? A. a landfill in an area of nonporous bedrock B. a biological treatment plant for liquid was
natima [27]

The correct answer is option A, that is, a landfill in the region of nonporous bedrock.  

A permanent waste disposal facility where the wastes are put into the ground and covered with a layer of plastic, soil, or both is known a landfill. A secure chemical landfill refers to a landfill developed in the region of nonporous bedrock.

A secure chemical landfill is a prudently engineered depression in the ground or constructed on the top of the ground, signifying a football stadium into which wastes are dumped. The objective is to inhibit any water-related or hydraulic association between the surrounding environment and the wastes, mainly groundwater.  


6 0
3 years ago
Why are interactions between biotic factors necessary ?
Inga [223]
Because they play important roles in the environment, take the food chain for example. animals continuously convert energy all the way up until a human eats. also, decomposers are important too because the return nutrients to the ground, like mushroom, fungi, and bacteria
8 0
3 years ago
A tall plant crossed with a short one produced offspring, of which about half are tall and half are short. What are the genotype
stellarik [79]

Answer:

Rr x rr

Explanation:

Let's say

RR is a tall plant.

Rr is tall

& rr is a small plant

The only genotypes you can get to make two tall and two short is if you use a  hetero pair and a same ressesive (rr) genes.

4 0
2 years ago
As far as Alzheimer's researchers know, the primary cause of Alzheimer's disease is:
xxMikexx [17]

Answer:

a. deterioration of neurons that produce the neurotransmitter acetylcholine.

Explanation:

Alzheimer's disease -  

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The initial stages of the disease is the remember new things , the day to day task becomes very difficult with time .

During this disease the neurons get deteriorated day by day , which are responsible to produce the acetylcholine .

Hence , the correct statement about Alzheimer's disease is ( a ) .

4 0
3 years ago
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