Which of the following types of organism fossils have been found to have an annual growth pattern that can be used to determine conditions at the time the organism lived? select all that apply.

trees
marine invertebrates
reptiles
fish vertebrates

What do heterotrophic cells need to survive?

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.