cell theory
Which statement is part of the Cell Theory?
All living things are made of cells
what is an unicellular organism?
organism with only one cell
what is a predator?
an organism that hunts for another organism
what does biotic mean?
living or once was living
In a predator-prey relationship, the prey:
gets hunted by another organism
What is the basic unit of life?
cell
what does the prefix multi mean?
multiple
what does an autotrophic do?
make its own food
what does abiotic mean?
non-living
how many components are in the cell theory?
3
Which scientist observed cork cells and coined the term “cell”?
hooke
Which is an example of a multicellular organism?
humans, plants, or animals
what does a heterotrophic do?
eat other organisms to get its energy/food
Competition usually occurs when:
organisms need the same resources
what are the four scientists last names that discovered the "cell theory"?
Hooke, Leeuwenhoek, Schleiden, Schwann
Which characteristic is shared by all living things?
made up of cells
does it mean something is alive, just because it moves?
NO
what is an example of a limiting factor in an ecosystem?
food, water, space or shelter
In a predator-prey relationship, the predator:
hunts another organism
which two scientists discovered that animals & plants are composed of cells?
Schleiden and Schwann
mircroscope
what do both plant & animal cells both have?
a nucleus
if resources in an ecosystem decrease, then the chance of an organism surviving increases or decreases?
decreases
A drought causes plants to die in an ecosystem. What is MOST likely a limiting factor?
water availability
Read the scenario below.
A rabbit eats grass while a hawk hunts the rabbit. The organisms live near a pond with sunlight, rocks, and water. Which organism is the predator?
hawk