Trophic Levels
What do primary consumers eat?
plants
Are bacterial cells prokaryotic or eukaryotic?
prokaryotic
What is the smallest basic unit of life?
cells
What are the two types of sexual selection?
Intersexual
Intrasexual
Where do Autotrophs get their energy from?
The Sun
What shape does "bacillus" refer to in bacteria?
rod like shape (pill shape)
What is the function of the lysosome?
To break down waste material/clean
Through what type of selection were humans able to domesticate dogs.
Artificial Selection
What does trophic mean?
to eat/ nutrition
Streptococcus and staphylococcus come in what shape?
"coccus" means ball or sphere shape
On what cell structure are proteins made?
ribosomes
Flight in birds, butterflies, and bats is and example of what type of evolution?
Divergent or Convergent
Convergent Evolution
What is the difference a food chain and food web?
food chain: organisms linked in the order of the food they eat
food web: all the food chains in a single environment
Who created the first successful vaccine in 1796?
Edward Jenner
What organelle provides energy for the cell?
the mitochondria
Place these steps of the scientific method in order
- construct a hypothesis
- ask a question
- do background research
ask a question, background research, hypothesis
By how much (%) does energy decrease as it moves through an ecosystem?
10%
A scientist is looking at a bacterial cell that divides every 15 minutes. After 4 hours, how many bacterial cells does the scientist expect to see?
65,536 bacterial cells
Why is it possible for prokaryotes to multiply quickly? (2)
simple internal structure
no organelles
What is a keystone species?