[Q] What forms in shallow tropical water?
Options:
- (A) ocean
- (B) romance
- (C) bushes
- (D) ferns
- (E) reefs
- (F) bamboo
- (G) fossils
- (H) snorkelling
[A] Here's my solution: Corals form large colonies in shallow tropical water. Huge colonies of hard corals form coral reefs . Reefs form in shallow tropical water. The answer is (E).

[Q] How are organisms able to grow and repair their cells?
Options:
- (A) hospitalization
- (B) orchids
- (C) cell care
- (D) fungi
- (E) growth cells
- (F) mitosis
- (G) recovery
- (H) recycling
[A] Here's my solution: Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves. The answer is (F).

[Q] What are one celled organisms?
Options:
- (A) Plants growth
- (B) slime molds
- (C) warm-blooded
- (D) peachleaf willow
- (E) honeybees
- (F) orchids
- (G) Most plants
- (H) produce light
[A] Here's my solution: Slime molds are fungus-like protists commonly found on rotting logs and compost. Protists are one celled organisms. Slime molds are one celled organisms. The answer is (B).

[Q] What can mutations cause?
Options:
- (A) death and devastation
- (B) blood
- (C) massive damage
- (D) Leptospirosis
- (E) biological diversity
- (F) horses
- (G) ice
- (H) out of control growth
[A]
Here's my solution: Cancer cells divide more often than normal cells, and grow out of control. Cancer is an example of a mutation in cells. Mutation can cause growth out of control. The answer is (H).