Q: Amoebas and paramecia are examples of what? Choices: - vertebrates - bacteria - protists - protozoa A:
protozoa

(Question)
Q: Lacking blood vessels, nerve endings, or glands, the epidermis is the outer layer of what? Choices: - liver - brain - lungs - skin A:
(Answer)
skin

Ques: Q: What kind of oily substance is secreted from sebaceous glands? Choices: - pus - Blood - progesterone - sebum A:
Ans: sebum

(Q).
Q: What is the main source of hydrocarbons? Choices: - photosynthesis - greenhouse gases - decomposers - fossil fuels A:
(A).
fossil fuels

Ques:Q: What is the simplest form of matter that has a unique set of properties? Choices: - atom - molecule - quark - element A:

Ans:element

Q: What term means opposition to the flow of electric charges that occurs when electric current travels through matter? Choices: - polarity - antagonism - diffusion - resistance A:
resistance