Humans, crocodiles, bats, whales, and birds have similar limb bones. what do these similarities suggest?

a.
humans, bats, and crocodiles share an ancestor with whales but not with birds.

b.
humans, crocodiles, bats, whales, and birds evolved from a common ancestor.

c. a similar limb structure evolved in each species independently and by chance.

d.
the common ancestor of a human and a bird was a whale.

What happened to rosalind franklin in 1956?

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.