Digestion is the process of breaking down food into components the body can absorb, and food is digested and absorbed in the small intestine. Given these facts, where does digestion happen among the following options: - agriculture  - mouth of rivers  - during the day  - the environment  - heat produced  - at or near the margins  - Small intestine  - Converting waste.
Small intestine

Fertilization occurs when a sperm and an egg fuse, and sperm and eggs are cells known as gametes. Given these facts, what causes fertilization among the following options: - pollen  - infertility  - gametes  - orchids  - seeds  - no physical contact  - honeybees  - isolation
gametes

Amphibians have permeable skin that easily absorbs substances from the environment, and toads and frogs are both amphibians. Given these facts, what has permeable skin that easily absorbs substances from the environment among the following options: - cats  - a fish  - toads  - ferns  - dogs  - humans  - animals  - bats
toads

If seeds stick to the fur of an animal then that seed will be transported by the animal, and most plants grow from seeds. Given these facts, what can help plants grow among the following options: - Solar energy  - honeybees  - Light  - Animal fur  - evaporation  - energy  - Enzymes  - Energy.
