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katen-ka-za [31]
3 years ago
12

(5.01 LC)Which of the following is an example of a biotic factor?

Biology
2 answers:
Irina-Kira [14]3 years ago
5 0
The example of a biotic factor is the shrimp population in a bay. Biotic factors are living factors that affect organisms in an ecosystem. The biotic factors includes the producers or autotrophs, consumers or heterotrophs, and decomposer. Abiotic factors on the other hand are the non-living factors that influence an ecosystem; they include, sunlight, soil, humidity, etc
denis23 [38]3 years ago
5 0

An estuary ecosystem has been damaged by pollution and sediment runoff. What types of factors should be considered when designing a plan for the ecosystem's recovery? (2 points)

Both abiotic and biotic factors, from the estuary and the surrounding area

A housing development is situated near a river that flows into a bay. Which of the following is an abiotic factor in the river that would directly affect the marine ecosystem in the bay? (2 points)

The types of sediment moving down river

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Answer:

1- Presence of phenotypic variation

2- some phenotypic variation due to genetic variation

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Explanation:

The evolutionary theory by natural selection proposed by Darwin in his publication “On the origin of species” (1859) is based on a series of assumptions that enable to understand the amazing biodiversity on the Earth. First, individuals are not identical among them, i.e., there exists variation in the traits among the members of a given population, species, etc. Second, phenotypic variation leads to differential survival and reproduction of the organisms that are best fitted to the environment (i.e., competence among the members of the population). Finally, phenotypic traits are passed from generation to generation (i.e., phenotypic variation is inheritable), thereby favoring offspring from parents more adapted to the environment.

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Answer:

Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.

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vlada-n [284]

Answer:

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