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zepelin [54]
3 years ago
6

Why is altruistic behavior not very common?

Biology
1 answer:
Ivahew [28]3 years ago
6 0

Explanation:

Altruistic behavior is showing selfless, uninterest in the wellbeing of others. it is uncommon behavior because humans have feelings and empathy for others.

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Which of these is a biotic factor of an ecosystem?
lisov135 [29]
Biotic means that it came from or has been produced/has been in relation with an organism. So your answer would be THE BACTERIA THAT LIVES IN THE INTESTINE OF A RABBT, it was the interaction of 2 things within them selves.
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3 years ago
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Fast!!! what name is given to nitrogen bases that have a 2 ring structure
barxatty [35]
The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the "twisted ladder" or double helix of DNA or a biological catalyst that is found in the nucleotides. Adenine is always paired with thymine, and guanine is always paired with cytosine. These are known as base pairs.
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3 years ago
The amount of _____ must be listed on food labels. a. monounsaturated fat b. polyunsaturated fat c. omega-3 fat d. phospholipids
gayaneshka [121]

Answer:

The amount of saturated fat must be listed on food labels, due to the consequences they have for the health of the individual.

Explanation:

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5 0
3 years ago
Which sentence best describes the function of nucleic acids?
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8 0
3 years ago
Parland’s alligator population has been declining in recent years, primarily because of hunting. Alligators prey heavily on a sp
IRISSAK [1]

Answer:

(C) The main predator of these fish is another species of fish on which alligators also prey.

Explanation:

The ecosystems are complex systems, and removing one species of them, always has a chain reaction and affects the population of the other species, be it in a positive or negative manner. In this case, the alligators prey upon fish, multiple different species. The alligators though have been removed from the ecosystem, thus the apex predator exists no more. This has opened up the top predator niche in the food chain in this particular ecosystem. The predatory fish species had no predators of its own, so its population increased, thus it needed more food, and that food was obtained by hunting the other fish species, resulting in a decline in the population of the other species of fish. Only when the carrying capacity is reached in the ecosystem for the predatory fish, the population of the other fish will stop declining.

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