The fossil record, biogeography, comparative anatomy, comparative embryology, and molecular biology.
Answer: It will move to a warmer spot.
Explanation:
An ectotherm will move to a warmer spot if they found themselves in cold temperatures because they are not tolerating good cold temperatures. If they do not have any other options they will run toward the stimulus which means that they will try to bury themselves and hide from cold temperatures and in that way they will have to remain in the cold environment.
Answer:
The average is 17.
Explanation:
To find an average of a set of numbers, you add them all together and divide them by the number of numbers in the sequence.
25 + 21 + 17 + 13 + 9 = 85
85 ÷ 5 = 17
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Answer:
24 chromosomes.
Explanation:
The diploid number for a lily whose pollen contains 12 chromosomes would be 24 chromosomes and is produced when the pollen moves from a stamen to the stigma and fecundates the female gamete. Thus, a diploid cell, with 24 chromosomes (12 pairs, 12 x 2), is formed.
Gametes are haploid, it means, they contains half of the chromosomes.
