(question). _ bind to allergens.
Options:
- (A) to stay warm
- (B) mammals
- (C) fur and fat
- (D) animals
- (E) protect them
- (F) Most plants
- (G) Antibodies
- (H) Chemical energy
(answer). Antibodies are large, Y-shaped proteins that recognize and bind to antigens. Allergens are also called Antigens. Antibodies bind to allergens.
The answer is (G)

(question). Female gametophytes produce eggs inside what part of flowers?
Options:
- (A) Petal.
- (B) an area swollen with pus
- (C) allow growth
- (D) at or near the margins
- (E) Produce department.
- (F) Chlorophyll
- (G) Chicken.
- (H) Where ovum, are stored
(answer). Female gametophytes produce eggs inside the ovaries of flowers. Ovum, or eggs, are stored in the ovaries. Female gametophytes produce eggs inside where ovum, or eggs, are stored of flowers.
The answer is (H)

(question). Phylum platyhelminthes are mostly what?
Options:
- (A) animals
- (B) engorged
- (C) fungi
- (D) infected
- (E) parasitic
- (F) insects
- (G) huge
- (H) free living
(answer). Flatworms belong to the phylum Platyhelminthes. Most of the flatworms are parasitic, although the Turbellaria are free-living in fresh water. Phylum Platyhelminthes are mostly parasitic.
The answer is (E)

(question). Where do streams often get h20?
Options:
- (A) perspiration
- (B) at or near the margins
- (C) raising their temperature
- (D) the landscape
- (E) seeping out of a spring
- (F) cloudy and rainy weather
- (G) Inches or fractions of inches.
- (H) precipitation
(answer).
Streams may start with runoff or water seeping out of a spring. Water is everywhere H20. Streams often start with runoff or H20 seeping out of a spring.
The answer is (E)