Question

In amphibians, the _________ is the most important organ for gass exchange.

Answer 1

All classes of fishes possess a(n) _________Lateral line system_______, composed of fluid-filled canals arranged along the sides of the body, which permit them to detect movement and vibrations in the water.

______Coelacanths__________ are fishes characterized by lobelike, fleshy fins and live at great depths where they are difficult to find.

Catfish, perch, salmon, and cod are members of the ______Actinopterygii________ subclass of fishes.

Scientists hypothesize that the ____aquatic tetropod_______ were directly ancestral to amphibians, the first land vertebrates.

The heart of a fish pushes most blood through the ______gills_________.

The activity level of amphibians requires more oxygen, which is supplied by a(n) ___3-chambered heart________.

The common ancestors of bony fishes and present-day jawless fishes were the ___jawless ostracoderms ____.

Having ____jaws_____ gave placoderms a tremendous adaptive advantage over ostracoderms because they could be predators.

The cartilaginous and bony fishes possibly evolved from ancient armored fish called ___Otstracoderms ____.

In amphibians, the ____skin____ is the most important organ of gas exchange.

Amphibians live mostly in regions that have warm temperatures because they are ectotherms whose body temperatures change with the temperature of the _______enviornment_____________.

Sharks have ______internal_________ fertilization.

Blood flow in fishes is slow because most of the pumping action is used to push blood through the ______gills_________.

Fishes have a ______ 2_________-chambered heart.
Here is all question i have correct

Answer 2

now do you got all of them or something is missing

Answer 3

thank you

Answer 4

welcome :)