Which of the following is true concerning the pannes in salt marshes? a. they are isolated pools of water at low elevations. b. they are isolated pools of water at high elevations. c. they are interconnected pools of water at low elevations. d. they are interconnected pools of water at high elevations.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

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-

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.