Mollusks are a major food source for other organisms, including humans, and mollusks are soft-bodied invertebrates. Given these facts, what are a major food source for other organisms, including humans among the following options: - Earthworms - Soft-bodied invertebrates - Fully cooking the oysters - absorb light energy - remains of prehistoric life - members of their own species - Humans - Lawns
Soft-bodied invertebrates

If gas is heated then that gas will expand, and cottages are heated by gas space heat or gas furnaces. Given these facts, gas does what after going through a furnace into a cottage among the following options: - expands - becomes toxic - has odor - warmth - Rise - moves - burning - compresses
expands

Courtship is behavior that is intended to attract a mate, and reproduction A courtship usually preceeds the actual mating. Given these facts, what precedes reproduction among the following options: - courtship - a sperm going into an egg - competition - Winter - parasites - embryo forming - fertilization - Summer
courtship

Infection can cause bodily tissues to swell, and connective tissue is the common network for bodily systems and energy pathways. Given these facts, what can cause connective issues to swell among the following options: - infection - flooding - smoking - worms - water - bacteria - zygotes - air
infection