[Q] 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
[A] Here's my solution: Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Tapeworms belong to the phylum Platyhelminthes. The answer is (E).

[Q] Lipid stores are used by plants and animals for what?
Options:
- (A) energy.
- (B) liver
- (C) glycoproteins
- (D) survival
- (E) energy
- (F) growth
- (G) blood sugar
- (H) food
[A] Here's my solution: Organisms use lipids to store energy. Plants and animals are organisms. Plants and animals use lipids to store energy. The answer is (E).

[Q] What is a tree with a woody trunk?
Options:
- (A) conifer
- (B) orchids
- (C) plants
- (D) trees
- (E) less water
- (F) vines
- (G) lycophytes
- (H) ferns
[A] Here's my solution: Most modern gymnosperms are trees with woody trunks. Conifers are examples of gymnosperms. Conifers are trees with woody trunks. The answer is (A).

[Q] What do sea lions learn how to behave from?
Options:
- (A) exercise
- (B) Energy.
- (C) fish
- (D) Movement
- (E) Energy
- (F) playing
- (G) children
- (H) whales
[A]

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Here's my solution: Playing is one way mammals and other animals learn how to behave. Sea lions are tactile mammals. Playing is one way sea lions learn how to behave. The answer is (F).