Zebra mussels, shown below, have recently been found in colorado lakes.

the mussels are not native to the lakes, and they have begun to kill native mussels by attaching to them and covering them up. the zebra mussels are
a pioneer species.
an invasive species.
a cooperative species.
a hybrid species.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

La glucosa es el nutriente mas utilizado por las celulas en la respiracion celular en esta ocurre 4 fenomenos cuales son