Aggressive behavior in animals often leads to social ranking. what do social rankings form?
a. circadian rhythm
b. territory
c. dominance hierarchy
d. courtship

Choose the molecule that is described by each phrase. energy used during long activities:

What is the difference between how ionic and covalent bonds form

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.