*Question*
Q: Footprints, burrows, and waste are considered what type of fossils? Choices: - movement fossils - crater fossils - morphology fossils - trace fossils A:
**Answer**
trace fossils

*Question*
Q: What is the smallest part of an element called? Choices: - core - neutron - nucleus - atom A:
**Answer**
atom

*Question*
Q: The pollen tube discharges two sperm into the female gametophyte after what occurs? Choices: - excrement - evolution - hibernation - pollination A:
**Answer**
pollination

*Question*
Q: Are birds and mammals mainly exothermic or endothermic? Choices: - autotrophic - hypothermic - exothermic - endothermic A:
**Answer**
endothermic