What can affect the structures in the cytoplasm where proteins are made/
Options:
- (A) aspirin
- (B) insulin
- (C) interact
- (D) harm them
- (E) temperature
- (F) Damages them
- (G) antibiotics
- (H) sunlight
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Let's think first: Ribosomes are structures in the cytoplasm where proteins are made. Many antibiotics affect the ribosome. Many antibiotices affect the structures in the cytoplasm where proteins are made.... So the answer is [(G)]

How does sweating cool the body?
Options:
- (A) Riding a bike
- (B) all liquids
- (C) layers of fat
- (D) staying warm
- (E) evaporation
- (F) Animal survival
- (G) matter vibrating
- (H) hydration
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Let's think first: Sweating reduces body heat. Sweat cools the body by evaporation, which removes heat from the body surface. Sweating cools the body by evaporation.... So the answer is [(E)]

What creates active immunity from a parasite?
Options:
- (A) Cooking
- (B) memory cells
- (C) alpacas
- (D) peachleaf willow
- (E) Allergies
- (F) mammals
- (G) an organism's body
- (H) animals
--
Let's think first: Active immunity results when an immune response to a pathogen produces memory cells. If the parasite causes harm, it is a pathogen. When a parasite produces memory cells, active immunity results.... So the answer is [(B)]

Living things interacting get energy from what?
Options:
- (A) Light
- (B) flares
- (C) water
- (D) The Sun
- (E) wind
- (F) glucose
- (G) sunlight
- (H) food
--
Let's think first: Most ecosystems get energy from sunlight. Life Living things interact in ecosystems. Living things interacting get energy from sunlight.... So the answer is [(G)]

What can have special excretory systems?
Options:
- (A) feces
- (B) barnacles
- (C) animals
- (D) cacti
- (E) fungi
- (F) wings
- (G) soil
- (H) insects
--
Let's think first: Some arthropods have special excretory structures. Insects are the largest group of arthropods. Some insects have special excrectory structures.... So the answer is [(H)]

What does a hairy organism have under its skin to help insulate the body?
Options:
- (A) fat
- (B) hair
- (C) food
- (D) cell
- (E) nerves
- (F) coat
- (G) fur
- (H) marrow
--
Let's think first: Mammals have a layer of fat under the skin to help insulate the body. If it has hair it is a mammal. An organism with hair has a layer of fat under the skin to help insulate the body.... So the answer is [(A)]