Unit 2 | lesson 7
lesson assessment: plant and animal cells, part 1
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4.

multicellular plants and animals have organs to perform specific functions. what do eukaryotic cells have to perform specific functions?

a.
ribosomes

b.
organelles

c.
cytoplasm

d.
vacuole

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Compare and contrast solutions and suspensions

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.