Question

invertebrates show mostly behavior, while vertebrates show mostly behavior.

1. drag and drop the correct term for each definition.

segmented worms with bodies\thead - footed mollusks
stomach - footed mollusks
mollusk with two shells
choices: gastropods, earthworms, cephalopods, bivalves, leeches, polychaeta

1. choose the best answer.

which of the following is the definition of monotreme?
a mammal with a very short period of development inside its mothers body and has a second period of development
an animal that has a gestation period inside the mothers uterus
a mammal that reproduces by laying eggs, but still has milk, hair, and teeth
a thin membrane that surrounds internal organs

Explanation:

• For the drag - and - drop part: Earthworms are segmented worms. Cephalopods are head - footed mollusks. Gastropods are stomach - footed mollusks. Bivalves are mollusks with two shells.
• For the multiple - choice part: Monotremes are mammals that reproduce by laying eggs but still have milk, hair, and teeth.

Answer:

1. segmented worms with bodies: earthworms

head - footed mollusks: cephalopods
stomach - footed mollusks: gastropods
mollusk with two shells: bivalves

1. a mammal that reproduces by laying eggs, but still has milk, hair, and teeth