_ have good eyesight and sense of smell.
Options:
- (A) Worms
- (B) crocodiles
- (C) vision
- (D) Snails
- (E) Phytoplankton
- (F) Lizards
- (G) mammals
- (H) animals
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Let's think first: Most reptiles have good eyesight and a keen sense of smell. All lizards are reptiles. Lizards have good eyesight and a keen sense of smell.... So the answer is [(F)]

Arteries in the body are able to carry what?
Options:
- (A) saliva
- (B) breathe
- (C) water
- (D) Air
- (E) oxygen
- (F) blood
- (G) veins
- (H) liquid
--
Let's think first: Veins generally carry deoxygenated blood. Arteries and veins are blood vessels. Arteries carry blood.... So the answer is [(F)]

What has a three chambered heart?
Options:
- (A) alpacas
- (B) goats
- (C) elms
- (D) bats
- (E) orchids
- (F) mammals
- (G) a fish
- (H) toads
--
Let's think first: Amphibians have a relatively complex circulatory system with a three-chambered heart. Toads and frogs are both amphibians. Toads have a relatively complex circulatory system with a three chambered heart.... So the answer is [(H)]

Adult sponges are
Options:
- (A) warm
- (B) immobile
- (C) food
- (D) parasites
- (E) strong
- (F) white
- (G) fertile
- (H) warm-blooded
--
Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.... So the answer is [(B)]

Harm to the respiratory and circulatory systems can come from
Options:
- (A) Greenhouse gases
- (B) hydrocarbons
- (C) Sulfur dioxide
- (D) nitrogen oxides
- (E) burning coal
- (F) fossil fuels
- (G) emissions
- (H) Greenhouse gasses
--
Let's think first: Air pollution harms the respiratory and circulatory systems. Nitrogen oxides cause air pollution. Nitrogen oxides harms the respiratory and circulatory systems.... So the answer is [(D)]

What moves with long filaments?
Options:
- (A) prokaryotes
- (B) sponges
- (C) an object
- (D) lizards
- (E) protein
- (F) sensory neurons
- (G) insects
- (H) Most plants
--
Let's think first: Flagella help prokaryotes move. Flagella are long filaments made up of the protein flagellin. Long filaments help prokaryotes move.... So the answer is [(A)]