When can primary succession occur? a. after a glacier forms, a volcano erupts, or when a strip mine is productive b. after a glacier receded, a volcano forms, or when a strip mine is abandoned c. after a glacier recedes, a volcano erupts, or a strip mine is abandoned d. after a glacier recedes, a volcano forms or a strip mine is productive
Answers: 2
Biology, 22.06.2019 01:00
What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.
Answers: 3
Biology, 22.06.2019 02:10
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-
Answers: 2
Biology, 22.06.2019 02:40
Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy ´ ´ ´ ´ yy
Answers: 1
Biology, 22.06.2019 07:00
What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele
Answers: 3
When can primary succession occur? a. after a glacier forms, a volcano erupts, or when a strip mine...
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