Autotrophs make food from what?
Options:
- (A) Converting waste.
- (B) members of their own species
- (C) Chemical energy
- (D) photosynthesis
- (E) that material's properties
- (F) inorganic molecules
- (G) Organic compounds
- (H) Chlorophyll
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Let's think first: Producers make food from inorganic molecules. Autotrophs are referred to as producers. Autotrophs make food from inorganic molecules.... So the answer is [(F)]

Bacterial infection can inhibit ejaculation of what?
Options:
- (A) babies
- (B) sperm
- (C) sugar
- (D) animals
- (E) erection
- (F) eggs
- (G) humans
- (H) pregnancy
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Let's think first: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Bacteria usually cause epididymitis. Ejaculation of sperm can be inhibited by bacterial infection.... So the answer is [(B)]

When an animal or plant group gets much smaller, that's called a:
Options:
- (A) bottleneck
- (B) Winter
- (C) Movement
- (D) population explosion
- (E) genus
- (F) relocation
- (G) Mason jar effect
- (H) choker
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Let's think first: Bottleneck effect occurs when a population suddenly gets much smaller. Animals and plants exist as populations. Bottleneck effect occurs when an animal or plant group gets much smaller.... So the answer is [(A)]

Endocrine hormones travel through the what in something that runs like water?
Options:
- (A) body
- (B) muscle
- (C) state
- (D) a path
- (E) ligt
- (F) a fish
- (G) liquid
- (H) CO 2
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Let's think first: Endocrine hormones travel throughout the body in the blood. And blood, blood runs like water. Endocrine hormones travel through the body in something that runs like water.... So the answer is [(A)]

What produces spores that develop into gametophytes?
Options:
- (A) fungi
- (B) cacti
- (C) plants
- (D) ferns
- (E) Orchids
- (F) PDAs
- (G) barnacles
- (H) bushes
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Let's think first: Flowers produce spores that develop into gametophytes. Another interesting flower is the Orchid flower. Orchids produce spores that develop into gametophytes.... So the answer is [(E)]

What do the building blocks of dna bind together to form?
Options:
- (A) A compound that donates proton
- (B) colors of the spectrum
- (C) Electrical energy
- (D) chain called a polynucleotide
- (E) Something with exactly eight protons
- (F) Something that makes plants green
- (G) Something with a head, thorax, and abdomen
- (H) biological diversity
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Let's think first: Many nucleotides bind together to form a chain called a polynucleotide. Nucleotides are the building blocks of DNA . The building blocks of DNA bind together to form a chain called a polynucleotide.... So the answer is [(D)]