question: What is one thing viruses do not cause?
Options:
- (A) disease
- (B) AIDS
- (C) illness
- (D) cancer
- (E) Ebola
- (F) fever
- (G) death
- (H) smallpox
answer: Populations of viruses do not grow through cell division because they are not cells. Cancer is unregulated cell division. Cancer is not caused by viruses.
The answer is (D)

question: What can be found in moist soil near rivers and streams in tropical regions?
Options:
- (A) storing water
- (B) a fish
- (C) insects
- (D) Most plants
- (E) shrub beds
- (F) bioaerosols
- (G) ferns
- (H) reptilians
answer: Caecilians can be found in moist soil near rivers and streams in tropical regions. Salamanders, frogs, toads, caecilians Class Reptilia. Reptilians can be found in moist soil near rivers and streams in tropical regions.
The answer is (H)

question: What are one thing the combination of proteins and dna make up?
Options:
- (A) alleles
- (B) sperm
- (C) insects
- (D) embryos
- (E) fusion
- (F) PDAs
- (G) humans
- (H) complex
answer: Chromosomes are coiled structures made of DNA and proteins. An egg or sperm with an extra chromosome or missing a chromosome is then made. Eggs and sperm have coiled structures made of DNA and proteins.
The answer is (B)

question: What does a pregnanct woman pass on to the fetus?
Options:
- (A) Leptospirosis
- (B) Energy.
- (C) antibodies
- (D) education
- (E) embryo
- (F) parasites
- (G) zygotes
- (H) fever
answer:
Passive immunity lasts only as long as the antibodies survive in body fluids. Immunization in a pregnant woman produces both active and passive immunity in the fetus. A pregnant woman will pass antibodies to the fetus.
The answer is (C)