Super Read! Worksheet 3.1 answers

ANSWERS
Super Read! Worksheet 3.1

1
b. fact
c. fact
d. hypothesis; it is a possible explanation for observations of
structures of living things.
e. hypothesis; it is a possible explanation for the development
of new life forms.
f. fact (Lamarek challenged Bonnet's views) and hypothesis
(Lamarek's idea that fossils were ancestors); the fact can be
verified, the importance of fossils was a possible explanation.

2
a. hypothesis
b. fact
c. fact
d. hypothesis
e. fact
f. fact

3
a. The solar system formed from a swirling cloud of gas and
dust.

b. Most of the gas and dust formed the sun, and smaller
pockets of gas and dust formed the planets.

c. Earth formed as gravity compressed the gas and dust.

d. Volcanic eruptions created many landforms and added gases
to the atmosphere.

4.
a. Hypothesis #1: The inner membrane originated from in
folding of the outer cell membrane.
Fact: definition of endocytosis

b. Hypothesis #2: endosymbiosis
Fact: Organelles that contain their own DNA and ribosomes

5. Facts help support a hypothesis and show its validity.