How do you think the change in
chlorophyll levels is a response to changes in
the length of day from summer to fall?

Which sequence correctly shows the path of carbon dioxide during repiration?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants