Ques:[What kind of cell division produces sex cells in animals?
Options:
- (A) complex
- (B) insects
- (C) pollen
- (D) gametes
- (E) sexual division
- (F) meiosis
- (G) reproduction cells
- (H) seeds]
Ans:[Meiosis is the type of cell division that produces gametes. Animals that reproduce sexually produce sex cells, or gametes. Meiosis is the type of cell division that produces sex cells.
(F)]

Ques:[Echidnas reproduce how?
Options:
- (A) asexually
- (B) by indirect light
- (C) spread flower seeds
- (D) during the day
- (E) by birthing live young
- (F) by laying eggs
- (G) by budding
- (H) with their fur]
Ans:[Monotremes are mammals that reproduce by laying eggs. Examples of monotremes are the Platypus and Echidna. Echidnas reproduce by laying eggs.
(F)]

Ques:[A platypus is an example of _.
Options:
- (A) Marsupial.
- (B) Monotremes.
- (C) insects
- (D) animals
- (E) killing insects
- (F) Amphibian.
- (G) Placental mammal.
- (H) matter vibrating]
Ans:[Monotremes are mammals that reproduce by laying eggs. Well, platypuses are mammals, and they lay eggs. Platypuses are monotremes.
(B)]

Ques:[Some viruses have an envelope of
Options:
- (A) fats and proteins
- (B) allow growth
- (C) aerobic capacity
- (D) keeps the organism warm
- (E) wavelengths and photons
- (F) Chemical energy
- (G) looseness
- (H) To keep their body heat.]
Ans:
[Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.
(A)]