When substances react with one another the sharing or transfer of what occurs?
Options:
- (A) Energy.
- (B) voltage
- (C) heat produced
- (D) heat energy
- (E) electrons
- (F) a solute
- (G) kinetic
- (H) Energy
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Let's think first: Chemical bonds form when substances react with one another. Chemical Bonding A chemical bond is the sharing or transfer of electrons. The sharing of transfer of electrons happens when substances react with one another.... So the answer is [(E)]

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
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Let's think first: Monotremes are mammals that reproduce by laying eggs. Examples of monotremes are the Platypus and Echidna. Echidnas reproduce by laying eggs.... So the answer is [(F)]

What is one thing fish cannot make?
Options:
- (A) babies
- (B) nests
- (C) matter
- (D) fat
- (E) edible
- (F) Energy
- (G) bubbles
- (H) food
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Let's think first: Heterotrophs are living things that cannot make their own food. All fish are heterotrophic. Fish cannot make their own food.... So the answer is [(H)]

What does bush basil have?
Options:
- (A) The flowers are pollinated
- (B) photosynthesis.
- (C) characteristics
- (D) A compound that donates proton
- (E) Something that comes in a bundle of fibers
- (F) sub-units of species
- (G) the body's largest organ
- (H) specialized reproductive organ
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Let's think first: Plants have specialized reproductive organs. Holy basil and bush basil are related plants. Bush basil has specialized reproductive organs.... So the answer is [(H)]

What can hiv infect and destroy part of?
Options:
- (A) water
- (B) parasitic
- (C) epidermis and dermis
- (D) the immune response
- (E) Veins and arteries.
- (F) Most plants
- (G) the body's largest organ
- (H) Trojan worm
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Let's think first: HIV infects and destroys helper T cells. Helper T Cells Helper T cells are the brains behind immune response. HIV infects and destroys part of the immune response.... So the answer is [(D)]

What are single-celled organisms that lack a nucleus?
Options:
- (A) ferns
- (B) barnacles
- (C) Most plants
- (D) cacti
- (E) Leeuwenhoek
- (F) orchids
- (G) bacteria
- (H) PDAs
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Let's think first: Prokaryotes are single-celled organisms that lack a nucleus. Bacteria are said to be prokaryotes . Bacteria are single-celled organisms that lack a nucleus.... So the answer is [(G)]