How do the structures of a vacuole and a nucleus differ? A. a vacuole is enclosed within a membrane ,and a nucleus is not enclosed within a membrane.
B. a vacuole is thick fluid , and nucleus is rigid set layers
C. a vacuole contain no water , and a nucleus a mostly water
D. a vacuole contain mostly water, and a nucleus contain mostly DNA

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.

The climate on the leeward side of a mountain differs from that on the windward side mostly in