Which of these sets of physical characteristics is used to classify animal groups?
a. body size
b. number of legs
c. body cavity type
d. method of reproduction

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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.