This dinosaur lived long ago on Earth in a tropical climate. The dinosaurs were killed and became extinct because of a change in climate. That new climate was called an ice age. What type of fossil would we find that would support the theory that Earth experienced an ice age?

A) A
B) B
C) C
D) D

Cedure,© data: rmativetable 1: positive and negative results when imacromoleculeregative results when testing for the presence of macromoleculeschemical test | positive test result negative tcarbohydrates – simplesugarse negizitivecarbohydrates – 2: results for the presence of macromolecules in the evidence sample

Describe two recent or ongoing space missions.

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae