Solution idea: Alternation of generations allows for both asexual and sexual reproduction. Reproduction Organisms create young of their species by reproduction. Alternation of generations allows for creating young by asexual and sexual means.
Q: What allows for an organism to create young by sexual and asexual means?
Options:
- (A) spread flower seeds
- (B) remains of prehistoric life
- (C) peachleaf willow
- (D) photosynthesis
- (E) mate with females
- (F) members of their own species
- (G) A compound that donates proton
- (H) alternation of generations
A: (H)

Solution idea: Vesicle transport requires energy, so it is also a form of active transport. Active transport is another form of diffusion. Vesicle transport is a form of diffusion.
Q: Vesicle transport is a form of _.
Options:
- (A) diffusion
- (B) animals
- (C) communication
- (D) movement
- (E) direct energy
- (F) resistance
- (G) Vibrations.
- (H) motion
A: (A)

Solution idea: Heterotrophs are living things that cannot make their own food. Proteins are an essential nutrient for heterotrophs . Living things that can't make their own food need protein.
Q: What do things that cannot make their own food need as a nutrient?
Options:
- (A) Energy
- (B) metal
- (C) animals
- (D) mud
- (E) Energy.
- (F) protein
- (G) prototype
- (H) fungi
A: (F)

Solution idea: Mollusks are invertebrates such as the common snail. Mollusks are soft-bodied invertebrates. Mollusks, like the snail, are soft-bodied.
Q: What do mollusks have?
Options:
- (A) aerobic capacity
- (B) Energy
- (C) gastropod shells
- (D) Chemical energy
- (E) a cuticle
- (F) kinetic energy
- (G) soft bodies
- (H) alveoli
A: (G)