Which is an effect of the ozone depletion over Antarctica?
A)
loss of phytoplankton, the micr...
Biology, 13.05.2021 05:30 brettriley4402
Which is an effect of the ozone depletion over Antarctica?
A)
loss of phytoplankton, the microscopic marine organisms that are the basis for the entire food chain
B)
increase in the incidence of skin cancer as a result of UVB radiation
C)
increase in damage to eyes leading to cataracts
D)
extensive DNA damage in the eggs and larvae of Antarctic fish
E)
all of the above
Answers: 1
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Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm
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Biology, 22.06.2019 09:40
80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?
Answers: 1
Biology, 22.06.2019 12:30
Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? a) catalysis b) metabolism c) anabolism d) dehydration e) catabolism
Answers: 1
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