Which factors would explain this pattern among predator and prey populations in this area?
choose all answers that are correct.
a.
the greater amount of food (prey) available will support a smaller predator population.
b. as the amount of food (prey) is depleted, the predator population will increase.
c. the greater amount of food (prey) available will support a larger predator population.
d. as the amount of food (prey) is depleted, the predator population will decrease.

Every compound can be represented by a chemical formula. a chemical formula is the set of symbols showing the elements that make up a compound and their proportions. water’s chemical formula is h 2 2 o. that means a molecule of water contains two atoms of hydrogen and one atom of oxygen chemically bonded. a molecule is a group of two or more atoms bonded together. molecules can range in size from two to thousands of atoms. a molecule of a compound is the smallest unit of that compound. every molecule of water has all the physical and chemical properties of water. that’s because every molecule of water is made of the same elements in the same proportions: two hydrogen atoms and one oxygen! which of the following is a true statement? a every molecule of the same compound will have different properties. b every molecule of a compound has the same proportion of elements. c molecules can be physically separated into smaller units of a compound. d molecules cannot be represented by chemical formulae.

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above