Which two of these processes remove airborne co2 from earth’s atmosphere? 1. photosynthesis 2. respiration 3. carbon sequestration 4. burning fossil fuels

Transposon can cause mutations in genes at or near the site of transposon insertion. it is possible for these elements to transpose away from their original site, causing a reversion of the mutant phenotype. in some cases, however, even more severe phenotypes appear when these elements excise from this site, due to events at or near the mutant allele. what might be happening to the transposon or the nearby gene to create more severe mutations?

Which of the following structural adaptations an organism obtain food? a. dandelion seeds that can float in the wind b. the bright-colored skin of a poison dart frog c. the long neck of a giraffe d. the cardinal's bright red coloring

In a hardy-weinberg population with two alleles that show complete dominance, the frequency of the recessive allele is 0.4. what percentage of the population has a homozygous genotype? a) 36 b) 4 c) 40 d) 16 e) 52