Which would be an adaptation in a rainforest, but not in a tundra? A. Ability to store water for a long time
B. Fur that blends in with snow
c. A beak that can dig into thick trees
D. Strong claws for killing prey
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What is the next step in muscle contraction after the actin changes shape? (apex)

Ineed a little . why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?

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?