From the passage below, the initial attack by insect herbivores is beneficial because...? (1.) chemicals that protect the plant against early herbivores are produced and passed to offspring through sexual reproduction
(2.) the plants produce chemicals that protect them against herbivores that appear later
(3.) chemical pesticides are produced, which are used by humans to protect the plants against
(4.) spikelike hairs that attract predators of the early herbivores are produced

Look at the punnett square for an x-linked recessive disease. is it possible for a female offspring to have the disease?

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-

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic