Ques:[One example of an annelid has how many hearts?
Options:
- (A) three
- (B) Five
- (C) white
- (D) warm
- (E) four
- (F) strong
- (G) long
- (H) small]
Ans:[Annelids are worms such as the familiar earthworm. An earthworm has five hearts. An animal that has five hearts is an annelid.
(B)]

Ques:[Where does dna reside?
Options:
- (A) membrane
- (B) cells
- (C) embryos
- (D) atom
- (E) complex
- (F) nucleotide
- (G) ligt
- (H) retina]
Ans:[DNA is found in chromosomes. Genes live on chromosomes, chromosomes live in cells. DNA is found in cells.
(B)]

Ques:[What are extremely important biomes?
Options:
- (A) important habitats
- (B) urban city
- (C) remains of prehistoric life
- (D) zoos
- (E) water conservation
- (F) Most plants
- (G) manmade aqueducts
- (H) marshes and swamps]
Ans:[Wetlands are extremely important biomes. Marshes and swamps are wetlands. Marshes and swamps are extremely important biomes.
(H)]

Ques:[Carbon in organic compounds are passed through the food web from what?
Options:
- (A) it helps plants in growing
- (B) Burning fuel and air
- (C) members of their own species
- (D) people to dogs
- (E) herbivores to carnivores
- (F) carnivores to plants
- (G) passenger pigeons
- (H) predators to prey]
Ans:
[Energy is passed up a food chain or web from lower to higher trophic levels. Energy and carbon in organic compounds passed through food chain to herbivores and carnivores. Carbon in organic compounds are passed through the food web from herbivores to carnivores.
(E)]