What can fats consist of?
Options:
- (A) Energy
- (B) Weight
- (C) ice
- (D) chlorophyll
- (E) water
- (F) Energy.
- (G) Chemical energy
- (H) fatty acid
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Let's think first: Lipids may consist of fatty acids alone, or they may contain other molecules as well. Fats are known as lipids. Fats may consist of fatty acids alone, or they may contain other molecules as well.... So the answer is [(H)]

Where does dna reside?
Options:
- (A) membrane
- (B) cells
- (C) embryos
- (D) atom
- (E) complex
- (F) nucleotide
- (G) ligt
- (H) retina
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Let's think first: DNA is found in chromosomes. Genes live on chromosomes, chromosomes live in cells. DNA is found in cells.... So the answer is [(B)]

What do organisms in the lowest trophic level use as food?
Options:
- (A) Organic compounds
- (B) food and shelter
- (C) heat energy
- (D) Chemical energy
- (E) Chlorophyll
- (F) members of their own species
- (G) scarce resources
- (H) inorganic molecules
--
Let's think first: Producers make food from inorganic molecules. Primary producers make up the lowest trophic level. The lowest trophic level makes food from inorganic molecules.... So the answer is [(H)]

What is a biomass' position in the food chain called?
Options:
- (A) ecosystem
- (B) more abundant
- (C) action
- (D) food swamp
- (E) Chemical energy
- (F) Trophic level
- (G) permineralization
- (H) It decreases
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Let's think first: Biomass is the total mass of organisms at a trophic level. Trophic level refers to the organisms position in the food chain. A biomass' position in the food chain is a trophic level.... So the answer is [(F)]

Which living creatures can be found in wetlands?
Options:
- (A) Animals
- (B) ferns
- (C) ducks
- (D) Oceans
- (E) trees
- (F) Rivers
- (G) Lakes
- (H) crocodiles
--
Let's think first: Wetlands are extremely important biomes. Animals live on the vegetation found in the biomes. Animals can be found to be living in wetlands.... So the answer is [(A)]

Plants can be infected by what?
Options:
- (A) human pathogens
- (B) infected meat
- (C) Pesticides
- (D) insects
- (E) human papillomavirus
- (F) viruses
- (G) fungi
- (H) bacteria
--
Let's think first: Viruses infect and live inside the cells of living organisms. Plants are complex living organisms. Viruses infect and live inside the cells of plants.... So the answer is [(F)]