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bija089 [108]
3 years ago
7

Help me I’ll give 50 points helppp!

Biology
1 answer:
Mama L [17]3 years ago
4 0

Answer:

2 Refraction, Transition/bouncing?

7. Opaque, absorbs

Explanation:

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Within any large animal population, there is_____
Anvisha [2.4K]

Answer: Always and always

Explanation:

Within any large animal population there is always a variety of traits seen in the population. When there is a large number of individuals in a population then there are chances that there a genetic diversity.

Sexual reproduction in the organism can lead to the genetic variation in the organism. There are chances to have more variation in the population having more organism.

Two different organism are genetically different and there are variety of traits seen in the two animals that belongs to different species.

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3 years ago
What differences between physical and chemical barriers​
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Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.

5 0
2 years ago
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What environmental stimulus is most likely to result in a more rapid heartbeat in an animal?
Kipish [7]

Answer:

This question is incomplete, the options are:

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B) Strong southerly winds

C) Presence of a predator

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A stimulus is something that provokes a response or reaction in a living organism. It can either be internal or external. An animal can respond to stimulus such as hunger, heat, predator etc.

However, among all the listed stimuli in the options, the PRESENCE OF A PREDATOR is most likely to result in a more rapid heartbeat in an animal. This is because the predator stimulus will require the animal to respond by running in order to survive. Running will increase its metabolic activity and cause its heartbeat to increase.

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Well, to answer your first question, Because there are places on Earth that are both biologically rich — and deeply threatened. For our own sake, we must work to protect them. and for your 2nd question, 3 characteristics of magnetic reversal are: field, bar magnet, and molten material. Hope this helps
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What is respiration ​
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respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

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