Fertilization occurs when an egg and what join together to form a diploid zygote?
Options:
- (A) rapid expansion
- (B) testosterone
- (C) gastropod shells
- (D) penis
- (E) peachleaf willow
- (F) pollen
- (G) male hormone
- (H) male gamete
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Let's think first: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Male gametes are called sperm. Fertilization occurs when a male gamete and an egg fuse to form a diploid zygote.... So the answer is [(H)]

Forests stabilize what influences what growth?
Options:
- (A) Trees
- (B) Energy
- (C) wind
- (D) seasons
- (E) rain
- (F) plant
- (G) Winter
- (H) Energy.
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Let's think first: Climate influences plant growth, biodiversity, and adaptations of land organisms. Climate Forests stabilize climate. Forests stabilize what influences plant growth.... So the answer is [(F)]

Grapevines are plants that shed their leaves
Options:
- (A) Winter
- (B) during the day
- (C) Exfoliation
- (D) every season
- (E) on random occasion
- (F) seasonally
- (G) When it's cold
- (H) in no seasons
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Let's think first: Plants that shed their leaves seasonally each year are called deciduous plants. Grapevines are woody deciduous plants. Grapevines are plants that shed their leaves seasonally.... So the answer is [(F)]

Some producers use what physical feature to use energy and inorganic molecules?
Options:
- (A) leaves
- (B) sunlight
- (C) solar energy
- (D) sun
- (E) resevoir
- (F) chemicals
- (G) mitosis
- (H) trees
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Let's think first: Producers use energy and inorganic molecules to make food. Leaves make food for the plant. Some producers have leaves to help use energy and inorganic molecules.... So the answer is [(A)]

Flukes, tapeworms, and turbell are
Options:
- (A) major threat to health
- (B) types of flat leeches
- (C) Plant growth is reduced
- (D) types of earthworms
- (E) competing for resources
- (F) types of snakes
- (G) types of flatworms
- (H) parasites
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Let's think first: Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Types of flatworms are flukes, tapeworms, and turbellarians.... So the answer is [(G)]

What stimulates the reproductive organs to develop into male organs?
Options:
- (A) Something coming from a gland
- (B) Chemical energy
- (C) A compound that donates proton
- (D) certain anabolic hormones
- (E) Something made from fermented ricce
- (F) Electrical energy
- (G) heat produced
- (H) sensory neurons
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Let's think first: Testosterone stimulates the reproductive organs to develop into male organs. Examples of anabolic hormones are testosterone and nandrolone. Certain anabolic hormones stimulate the reproductive organs to develop into male organs.... So the answer is [(D)]