Fact 1: Mating is generally preceded by courtship. Fact 2: Additional topics include mating, nesting, and reproduction. Given the two facts above, reproduction is generally preceded by?
OPTIONS:
- courtship
- digestion
- pollen
- migration
- seeds
- evolution
- Plants growth
- babies
courtship
--
Fact 1: Aglacier causes mechanical weathering. Fact 2: Mechanical weathering produces detritus. Given the two facts above, what does a glacier produce?
OPTIONS:
- rainfall
- heat energy
- streams.
- detritus
- energy
- erosion
- rock
- streams
detritus
--
Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: An antigen is a molecule of carbohydrate or protein. Given the two facts above, what are molecules that the immune system recognizes as foreign to the body?
OPTIONS:
- Foreign country.
- Carbohydrates, or proteins.
- microorganisms
- Something that causes allergies
- Molecular structure.
- Operating system.
- sub-units of species
- Organic compounds
Carbohydrates, or proteins.
--
Fact 1: Mammals conserve body heat with their hair or fur. Fact 2: Hair follicles are capable of producing hair of various thickness and colors. Given the two facts above, mammals conserve body heat with what that produce thickness and colors?
OPTIONS:
- sweating
- Exfoliation
- properties
- four limbs
- a cuticle
- follicles
- dense
- heat energy
follicles
--