What is a curse?
Options:
- (A) a form of aggression
- (B) Something coming from a gland
- (C) after too much water received
- (D) forest is destroyed
- (E) friendly behavior
- (F) a form of love
- (G) nonaggressive
- (H) death and devastation
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Let's think first: Aggression is behavior that is intended to cause harm or pain. Curses are spells that are often intended to cause harm to another person. Curses are a form of aggression.... So the answer is [(A)]

Nematodes reproduce how?
Options:
- (A) root growth
- (B) heat or cold
- (C) pollen
- (D) electrically
- (E) sexually
- (F) seeds
- (G) survive
- (H) a cuticle
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Let's think first: Roundworms reproduce sexually. Nematodes are millimeter-sized roundworms. Nematodes reproduce sexually.... So the answer is [(E)]

What can fatty acids be combined with, in addition to carbon and oxygen?
Options:
- (A) Sodium
- (B) Energy.
- (C) glucose
- (D) Carbon Dioxide
- (E) Fuel cells
- (F) Uranium
- (G) Hydrogen
- (H) Energy
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Let's think first: Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Carbon, oxygen, and hydrogen can be combined with fatty acids.... So the answer is [(G)]

Earthworm burrows are good for plants because they
Options:
- (A) get air into soil
- (B) reducing acid rain
- (C) eliminate toxins
- (D) hydrate roots
- (E) preventing heat transfer
- (F) It helps them survive
- (G) kill pests
- (H) important habitats
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Let's think first: Earthworm burrows help aerate soil, which is also good for plants. Aerating means getting air into the wine. Earthworm burrows help getting air into soil, which is also good for plants.... So the answer is [(A)]

Where so parasites go to survive?
Options:
- (A) in a field
- (B) away from a host
- (C) heat produced
- (D) loose soil
- (E) in the water
- (F) on a host
- (G) Most plants
- (H) retina
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Let's think first: Some parasites live on the surface of their host. Survival is to live, to live means hope. Some parasites survive on the surface of their host.... So the answer is [(F)]

What kind of worm belongs to the phylum platyhelminthes?
Options:
- (A) homogenous
- (B) moves
- (C) dangerous
- (D) insects
- (E) tapeworm
- (F) parasites
- (G) white
- (H) graptolites
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Let's think first: Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Tapeworms belong to the phylum Platyhelminthes.... So the answer is [(E)]