Select the correct answer. Paul observes an amoeba engulfing food during a science laboratory class. Which part of its cell does the amoeba use to engulf the food?
A.
cell wall
B.
cytoplasm
C.
nucleus
D.
vacuole
E.
silicate skeleton

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

The negative impacts of nonnative species generally outweigh the positive impacts