Using an example from your chosen biome, list the potential biotic and abiotic factors for each level below.​

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Which of these is not a nucleotide base found in dna?

Which structure in the cardiovascular system connect arteries to veins?