What do trees release during the day but not at night?
Options:
- (A) Energy
- (B) water
- (C) He
- (D) Ce
- (E) chemicals
- (F) Energy.
- (G) heat
- (H) oxygen
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Let's think first: Plants release oxygen during the day but not during the night. All plants are trees. Trees release oxygen during the day but not at night.... So the answer is [(H)]

Predators require something else to make food, which means they are not:
Options:
- (A) humans
- (B) animals
- (C) infected
- (D) competition
- (E) dangerous
- (F) producers
- (G) mammals
- (H) warm-blooded
--
Let's think first: Producers are organisms that produce food for themselves and other organisms. Predators are organisms which eat other organisms for energy. Producers provide food for themselves and for predators.... So the answer is [(F)]

What is the form of genetic material used during mitosis called?
Options:
- (A) proteins
- (B) Plants growth
- (C) genetic fluid
- (D) mitosis cells
- (E) chromosomes
- (F) pollen
- (G) Leptospirosis
- (H) Chemical energy
--
Let's think first: Chromosomes are the form of the genetic material of a cell during cell division. Mitosis is cell division. Chromosomes are the form of the genetic material of a cell during mitosis.... So the answer is [(E)]

_ are aerobic
Options:
- (A) goats
- (B) plants
- (C) algae
- (D) moss
- (E) cells
- (F) chloroplast
- (G) complex
- (H) humans
--
Let's think first: Cells cannot survive without oxygen. Bacteria that require oxygen are aerobic. Cells are aerobic.... So the answer is [(E)]

What is sugar stored as by the body?
Options:
- (A) heat energy
- (B) sun's heat
- (C) A drug.
- (D) A kernel
- (E) energy
- (F) glycogen
- (G) lmestone
- (H) Hemoglobin
--
Let's think first: Glucose is used for energy by the cells of most organisms. Glucose, the sugar the body uses for fuel, is stored as glycogen. Sugar is used for energry by the body is stored as glycogen.... So the answer is [(F)]

What has good eyesight?
Options:
- (A) humans
- (B) fur seals
- (C) athletes
- (D) bears
- (E) goats
- (F) geckos
- (G) elephants
- (H) rabbit
--
Let's think first: Most reptiles have good eyesight and a keen sense of smell. Geckos are, in fact, reptiles. Geckos have good eyesight.... So the answer is [(F)]