Unit 1
What is the dependent variable?
the factor being measured in an experiment that is expected to change in response to another variable
Decomposers eat at what level of the trophic pyramid?
All levels
What are the 5 W’s?
Who, What (context), What (purpose), Where, and When?
Does a dissecting microscope have a condenser?
no
Is it true that you can find the average by adding the total circumference from all the trees and dividing it by the number of trees?
yes
What percent of energy transfers upward through the trophic levels?
Answer - 10% of previous levels energy
Do mutations always have a positive impact on the fitness of an organism?
What units do you measure the marigold in for the project?
cm
What is a tentative statement about the relationship between two or more variables. It is specific, a testable prediction about what you expect to happen in a study?
A hypothesis
a group/population evolving over a long period of time to benefit survival.
Where can you find a node on a cladogram?
Where the organism and the physical development meet.
If something has high density, is the buoyancy higher or lower for that thing?
Lower buoyancy
What are the base units in the metric system?
Grams, Liters, Meters (g,L,m)
Which of the following do animal cells not contain?
Nucleus, membrane, chloroplast, mitochondria
Chloroplast
Are .gov and .edu reputable websites to get information?
Yes
The requirements for a scientific sketch are labels, a wonder question, and _____.
zoom bubble
How many centimeters in 1 meter?
100 cm/meter
Fill in the blank.
The vacuole stores ____, _____, and waste products
water, nutrients
For what purpose would you use a cladogram?
To find the evolution between certain species.
What is dissolved oxygen (o2) measured in?
mg/l (milligrams per liter)