Ques:[What type of creatures have sexual reproduction as part of their life cycle?
Options:
- (A) plants
- (B) insects
- (C) proteins
- (D) ducks
- (E) animals
- (F) gametes
- (G) prions
- (H) fungi]
Ans:[Arthropods have a life cycle with sexual reproduction. Insects are the largest group of arthropods. Insects have a life cycle with sexual reproduction.
(B)]

Ques:[Earthworms have the amazing capacity to regrow segments that:
Options:
- (A) reproduce
- (B) tadpoles
- (C) Loose
- (D) form sand
- (E) are still attached
- (F) allow growth
- (G) break off
- (H) fungal]
Ans:[Annelids have the amazing capacity to regrow segments that break off. Earthworms Earthworms are in the phylum Annelids. Earthworms have the amazing capacity to regrow segments that break off.
(G)]

Ques:[A parasites that can kill is called what?
Options:
- (A) bacteria
- (B) a carcinogen
- (C) A Greek letter
- (D) a pathogens
- (E) animals
- (F) an infection
- (G) insects
- (H) dangerous]
Ans:[Some parasites kill their host, but most do not. Pathogens induce a disease in their host. Some parasites that kill are called pathogens, but most do not.
(D)]

Ques:[What do ecosystems in nature need an influx of to remain feasible?
Options:
- (A) Continuous nuclear energy.
- (B) Natural lipids and proteins.
- (C) Energy.
- (D) rain
- (E) water
- (F) Energy
- (G) oxygen
- (H) Renewable Sunny Delight.]
Ans:
[Energy enters ecosystems in the form of sunlight or chemical compounds. Sunlight is the source of light in nature. Nature is comprised of many ecosystems which all depend upon energy.
(C)]