Whats is base for the metric system
mass,volume,distanse/grams,liter,meters
what structure controls what enters and leaves the cell
cell membrane
what part of the microscope is used to look at the specimen
ocular lens
An organism that makes its own food through photosynthesis
producer
These organisms form the bottom level of a trophic pyramid
producers
what is the largest and smallest unit
Milli and Kilo
The "brain" of the cell that contains DNA
the nucleus
what parts controlls the focus
Fine focus and corse focus
A group of organisms that are the same living in the same area
What is a population
This process allows producers to make their own food
What is photosynthesis
5,000 grams equals how many kilos
These organelles are known as the powerhouse of the cell
mitochondria
If the field of view at 40× is 5.0 mm, the field of view at 200× is this
What is 1.0 mm?
ll the living and nonliving things in an area
an ecosystem
rganisms that eat producers are called what
What are primary consumers
Convert 0.00084 kilometers to centimeters.
84 centimeters
Plant cells have this structure that animal cells do not, providing support and protection
cell wall
what microscopes are there
compound and Disecting
A hawk that eats a snake that ate a mouse is at this trophic leve
What is a tertiary consumer
Organisms at the top of a trophic pyramid are often called this
apex predators
what tool do you use to measure volume
a graduated cylinder
his jelly-like substance fills the inside of a cell and holds organelles in place
cytoplasm
A cell is 25 μm long. Express its length in millimeters
0.025 mm
These organisms break down dead plants and animals and recycle nutrients
decomposers
If producers contain 5,000 units of energy, primary consumers receive about this much
500 units