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3 years ago

Which statement best describes a keystone species

Biology

2 answers:

GuDViN [60]3 years ago

6 0

Answer:

Option D, it has a strong influence on the ecosystem

Explanation:

Keystone species are an essential part of an ecosystem and their functions/mark cannot be replaced by any other organism. Once the keystone species is removed from an ecosystem, the ecosystem struggles to sustain or it changes radically. A keystone species in majority of ecosystems/food web is a predator but this is not true in all ecosystems/or with all keystone species.

For example – there was a trophic cascade when the Gray wolves in the greater Yellowstone ecosystem were removed.

professor190 [17]3 years ago

5 0

The answer is D

One way to remember this is when you are building a bridge there is one piece right in the middle that keeps the whole thing from collapsing that is called the key-stone. If a keystone species goes extinct then the rest of the ecosystem will crumble around it.

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What is A loss of an electron during a chemical reaction

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Answer:

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2 years ago

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tresset_1 [31]

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3 years ago

An example of a producer is a an)

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3 years ago

Match the reproductive structures based on their function and the system to which they belong.

Rashid [163]

Complete question: Find the complete question in the attached file below.

Answer: From the question, the system to which the structures belong are:

Female reproductive structures include: Egg, ovary, fallopian tube, vagina.

Male reproductive structures include: Urethra, sperm, testis, Vas deferens

Explanation:

The female reproductive system is made up of structures, listed above, which functions together with the purpose of reproducing offsprings. Below is the structure matched with the correct function from the question given:

--> Egg: This functions as the sex cell or gamete

--> ovary: The site where gamete are produced

--> Fallopian tube: This functions to transport the gamete from the site of production in the reproductive system

--> Vagina: connects the internal reproductive fluids to the exterior.

The male reproductive system are also made up of structures that functions together to bring about the fertilization of the female sex cell. Below is the structure matched with the correct function from the question given:

--> Urethra: connects the internal reproductive fluids to the exterior.

--> Sperm:This functions as the sex cell or gamete

--> Testis: The site where gamete are produced

--> Vas deferens: This functions to transport the gamete from the site of production in the reproductive system.

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2 years ago

Amoebas obtain food by wrapping the cell membrane around the food particles, creating a vesicle. The food is then brought into t

levacccp [35]

Answer:

endocytosis

Explanation:

Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested material.

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3 years ago