What is the effect of a population suddenly getting much smaller?
Options:
- (A) major threat to health
- (B) Decreased precipitation
- (C) a lot of human deaths
- (D) movement of tectonic plates
- (E) it is unpredicatbale
- (F) If they can no longer get food
- (G) Plant growth is reduced
- (H) enormous damage to homes
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Let's think first: Bottleneck effect occurs when a population suddenly gets much smaller. Effects of bottlenecks are unpredictable . When a population suddenly gets much smaller the effects are unpredictable.... So the answer is [(E)]
What animal can regrow middle segments when broken?
Options:
- (A) amoeba
- (B) geckos
- (C) humans
- (D) insects
- (E) Wasps
- (F) worms
- (G) toads
- (H) snakes
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Let's think first: Annelids have the amazing capacity to regrow segments that break off. Annelids include earthworms and leeches. Earthworms have the ability to regrow segments that break off.... So the answer is [(F)]
What does the fishhook cactus release during the day but not during the night.
Options:
- (A) heat
- (B) Air
- (C) water
- (D) carbon monoxide
- (E) carbon dioxide
- (F) oxygen
- (G) Energy.
- (H) Energy
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Let's think first: Plants release oxygen during the day but not during the night. Another kind of plant is the fishhook cactus. The fishhook cactus releases oxygen during the day but not during the night.... So the answer is [(F)]
How do organisms give rise to children?
Options:
- (A) mitosis
- (B) reproduction
- (C) reproductive isolation
- (D) Plants growth
- (E) it needs them
- (F) litter
- (G) by indirect light
- (H) replenishing
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Let's think first: Reproduction is the process by which organisms give rise to offspring. Seed refers to offspring, children. Organisms give rise to children by reproduction.... So the answer is [(B)]
What increases the process of remove waste and excess water from the body?
Options:
- (A) Sweating
- (B) hydration
- (C) Smoking
- (D) bacteria
- (E) vinegar
- (F) alcohol
- (G) Cooking
- (H) boiling
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Let's think first: Excretion is the process of removing wastes and excess water from the body. Alcohol increases degradation and excretion. Alcohol increases the process of removing wastes and excess water from the body.... So the answer is [(F)]
Most organisms live mainly in
Options:
- (A) shallow coastal waters
- (B) the environment
- (C) soil
- (D) trees
- (E) Earth orbiting the Sun
- (F) ocean water
- (G) plasma
- (H) salt and water.
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Let's think first: Marine species live mainly in shallow coastal waters. Most marine organisms live near the surface. Most organisms live mainly in shallow coastal waters.... So the answer is [(A)]