Ques:[What lack respiratory and excretory systems?
Options:
- (A) They may not survive.
- (B) members of their own species
- (C) platypus
- (D) humans
- (E) crinoids and blastoids
- (F) passenger pigeons
- (G) graptolites
- (H) whales]
Ans:[Echinoderms lack respiratory and excretory systems. Echinoderms in the diorama include the crinoids and blastoids. Crinoids and blastoids lack respiratory and excretory systems.
(E)]

Ques:[What involves interaction with ribosomes?
Options:
- (A) permineralization
- (B) oxidation reaction
- (C) It helps them survive
- (D) Translation of mRNA
- (E) flow of electrons
- (F) animal transport
- (G) resistance activities
- (H) allow growth]
Ans:[Translation reads the genetic code in mRNA and makes a protein. Translation of mRNA into protein involves the interaction of the mRNA with ribosomes. Translation of mRNA involves interaction with ribosomes.
(D)]

Ques:[Mitosis is out of control due to what?
Options:
- (A) fire
- (B) infection
- (C) cancer
- (D) viruses
- (E) pathogens
- (F) Winter
- (G) death
- (H) pesticide]
Ans:[Cancer cells divide more often than normal cells, and grow out of control. Mitosis is a process by which cells divide. Cancer Mitosis is out of control.
(C)]

Ques:[What type of evolution is very, very slow above the level of the species?
Options:
- (A) forest is destroyed
- (B) macroevolution
- (C) animals
- (D) parallel evolution
- (E) mechanical
- (F) Continents drifting
- (G) divergent evolution
- (H) microevolution]
Ans:
[Macroevolution is evolution over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution is very, very slow evolution above the level of the species.
(B)]