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Arlecino [84]
3 years ago
12

What are 3 human activitys that threaten biodiversity

Biology
1 answer:
motikmotik3 years ago
6 0
Pollution, Habitat Removal/Alteration, and Climate Change.
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A population of crabs live in an environment with white colored sand. Half of the crabs have white shells, and half have brown s
TiliK225 [7]

Answer:

The crabs with white shells. The next generation of crabs will be white shelled.

Explanation:

The crabs with white shells are more likely to survive because they blend in with the white sand more than the ones with brown shells making it easier to hide from predators and also makes it a desired trait.

4 0
3 years ago
A rat deprived of food will learn a new response even if it is given only a nonnutritive, saccharine-sweetened substance after p
sergiy2304 [10]

Answer: The drive theory of motivation.

Explanation:

The drive threory of motivation is based on the principle that organisms have certain psycological or physiological needs (in this case, hunger). When those needs are not satisfied, a tension in the organism is produced, and with it a drive to seek the satisfaction of that need.

Because the substance the rat recieves is nonnutritive (it doesn't reduce the rat's hunger), we can clearly see that the rat isn't performing the response because of this drive, seeking for the satisfaction of its hunger, but is motivated by another feeling. Therefore, this observation is problematic for the drive theory of motivation.

4 0
3 years ago
Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. If he randomly draws three marbles from the bag, without
Arada [10]

Answer:

there are 12 marbles. the probability of getting a yellow would be 2/12, the probability of drawing a red is 4/12, and the probability of getting a black is 3/12. (i think,, dont quote me if im wrong!)

:) have a nice day love ❤

Explanation:

8 0
3 years ago
Read 2 more answers
The frequency of two alleles in a gene pool is 0.1 (A) and .9 (a). What is the percentage in the population of heterozygous in i
cluponka [151]
Hey its p(A) = 0.1 and q(a) = 0.9
The percentage in the population of heterozygous individuals:
2pq = 2 x 0.1 x 0.9 = 0.18 = 18%

4 0
3 years ago
What are the four steps that occur during m phase
MA_775_DIABLO [31]

Answer:

prophase, metaphase, anaphase, and telophase

Explanation:

6 0
3 years ago
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