whales have similar structures to mammals for both their front limbs and even back legs. however a well uses its front limbs to swim while mammals like horses use their front limbs to walk based on our live class are theses homologous structures or analogous structures

b c a d mark me

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

the answer would be d : p

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .