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denpristay [2]
3 years ago
15

Which factors characterize ecosystems? A. biotic factors only B. abiotic factors only C. both biotic and abiotic factors D. neit

her biotic nor abiotic factors
Biology
2 answers:
amid [387]3 years ago
8 0

C. both biotic and abiotic factors in earth most ecosystems have both abiotic and biotic systems. They actually need both in order to survive.

Zinaida [17]3 years ago
4 0

Answer: C. both biotic and abiotic factors

Explanation:

An ecosystem can be define as biotic community where living beings or biotic  factors of the environment interacts with the non-living components or abiotic factors of the environment. This interaction is necessary for sustaining life on earth as living beings are dependent upon the non-living physical environment for completing their life cycles.

Biotic factors includes the plants, animals, microbes, and other living beings. Abiotic factors includes the soil, water, air and sunlight.

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meriva

Answer:

A. The rice genes didn't make the right type of vitamin A.

Explanation:

Regular white rice does not have the gene to produce beta carotene. The human body converts the beta carotene into vitamin A.

To increase the nutritional value of rice, the gene for beta carotene from daffodil flowers was inserted into the cells of endosperm of rice.

This allowed these cells of the genetically engineered rice varieties to produce beta carotene. Production of beta carotene imparted golden color to the rice grain and hence, the name.

7 0
3 years ago
A peer group is a _______ group composed of equal age individuals with similar characteristics.
kvv77 [185]
D. secondary

Two groups: primary and secondary
The primary groups has stronger and deeper relationships with its member/s than secondary groups, many of which are superficial gatherings and surface dealings.

Primary groups include:
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Secondary groups:
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5 0
3 years ago
Read 2 more answers
When an organism's weight falls below its set point, the organism is likely to experience a(n) ________ hunger and a(n) ________
UNO [17]

Answer:

When an organism's weight falls below its set point, the organism is likely to experience a(n): <u>increase</u> in hunger and a <u>decrease</u> in its basal metabolic rate.

6 0
3 years ago
What were probably the first living things
olga_2 [115]

Answer: prokaryotes (single celled micro-organisms/microbes)

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3 years ago
What is one thing Neanderthals did that most humans do today?
trasher [3.6K]

Answer:

They excelled at hunting animals and making complex stone tools, and their bones reveal that they were extremely muscular and strong, but led hard lives, suffering frequent injuries. There is no doubt that Neanderthals were an intelligent species, successfully adapted to their environment for over 200 millenia

Explanation:

7 0
3 years ago
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