Unit 1
What are similarities between scientific laws and scientific theories?
Scientific laws and theories are similar because they use the same high standards of evidence and testing
Are viruses living things?
They are not classified as living organisms
How many pairs of chromosomes do great white sharks have?
41
what is the name of sedimentary rock that gathers in layers within the earth's system called?
Strata
what do behavioral adaptations increase in an organism?
It increases the fitness of an organism.
What must be clearly stated in a hypothesis?
A hypothesis must clearly state the following:
What is being tested
what the predicted outcome is
a possible explanation for the predicted outcome
what are the names of the two different cell boundaries?
Cell walls and Cell membranes.
Heads or Tails?
Tails
what does absolute dating determine in fossils?
Absolute dating is a method for determining the age of fossils.
What do male spiders do after mating?
they get eaten by the female.
What is a conceptual model and what does it show?
A conceptual model simplifies complex things and groups them in a way that makes them easier to understand.
What is the name of the sugar molecule that cells rely on to break down called?
Glucose
what is the definition of pigment?
a molecule that reflects only certain colors of light and absorbs the rest
A group of fossils in chronological order is called a what?
Fossil record
what does the Mimosa pudica do when its disturbed?
It closes it's leaves.
What do most scientific journals have in common?
Articles free of bias - Articles having a professional tone - Articles should have a neutral POV.
Do prokaryotes have a nucleus?
prokaryotes have no nucleus.
how many pairs of chromosomes do humans have?
46
How old have scientists determined earth is?
4.5 billion years old
What is it called when organisms maintain a stable environment within their cells and bodies?
Homeostasis
How many types of atoms are there?
115
What are plants called when they have both male and female parts?
hermaphrodites
What is the branch of biology that studies cells called?
cytology
What era were the dinosaurs in?
The Mesozoic era
The gaseous emissions of what animal are actually a significant source of methane gas, which is a cause of global warming.
Cows