A soft, flexible structure that surrounds a cell and controls movement of substances in and out of the cell. Only some things can pass through it.
Cell Membrane
Circular
What is the shape of a plant cell?
Square/Rectangular
Physical characteristics that allow animals to survive in their environment are called _____________.
Adaptations
Which part of the earth is made up of liquid iron and nickel?
Outer core
The jelly-like substance inside the cell in which all of the organelles are found.
Cytoplasm
Animals that do not have a backbone.
Invertebrates
Have tissues (tubes) that transport water and nutrients throughout the plant.
Vascular plants
True or False: Fur on the outside of the body for warmth and camouflage is an example of a physical adaptation.
True
The coldest part of the earth is the _________.
Crust
Acts to direct all of the cell's functions.
Nucleus
97 percent of the animal kingdom are _________.
Invertebrates
Can reproduce using spores and seeds.
Vascular
True or False: Bees communicating to produce pollen is an example of a behavior adaptation.
True
The theory that the continents are large plates that moved and carried the continents to their current positions, proven by fossils and the shape of the continents, is called what?
Continental Drift
Spaces in a cell that store water and nutrients until needed or store wastes until the cell can get rid of them.
Vacuole
false
Found mostly in moist areas that do not get a lot of sun.
Nonvascular
Physical Adaptation
What are atoms called when they combine?
Molecules
Tiny structures that contain the green pigment chlorophyll, and are where photosynthesis takes place.
Chloroplast
True or false: Reptiles are considered invertebrates.
False
Algae and Moss are examples of ___________.
Nonvascular plants
What type of adaptation is a woodpecker nesting in a hole to protect their young.
Behavioral
The higher the ____________, the higher the density of the water.
salinity