Biology, 17.02.2021 02:20 DerrtDiggler7826
What can be inferred about a petrified log?
A. the wood needed long ages before it could petrify.
B. the tree laid on the surface for long ages.
C. the petrified log looks like the original tree.
Answers: 2
Biology, 21.06.2019 22:00
Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).
Answers: 1
Biology, 22.06.2019 02:00
Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.
Answers: 1
Biology, 22.06.2019 02:10
How does a gymnosperm prevent itself from pollinating the same tree
Answers: 1
What can be inferred about a petrified log?
A. the wood needed long ages before it could petrify.
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