Which of the following statements about extinction is true? choose one: a. recent species are disappearing so slowly that researchers suggest our present time is another mass extinction. b. some species may become extinct because they evolve into a new species. c. at least five mass-extinction events have occurred during the last 500 million years. d. the movement of tectonic plates does not often cause mass extinctions, because all species move along with the plate.

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

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-

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot