Healing
Explain the structure and function of red blood cells
red blood cells are round shaped and carry oxygen and nutrients throughout the body
responsible for controlling the water movement into and out of the cell to maintain homeostasis?
what is a abiotic factor
non living
what is a biotic factor
living thing
what is a atom?
basic unit of chemical element
What is a cell?
cell is the basic unit of structure and organization in all organisms
what is the mitochondria
organelle with a rod- shaped structure that creates energy rich molecules for the cell. powerhouse of the cell
true or false: a dog is a abiotic factor
false
explain why plants need chloroplasts
food/nutrients
what is a molecule?
group of atoms bonded together
what is the function of white blood cells
fight off disease and infections
these send messages to the brain
nerve cells
what is a pollutant?
chemicals in the air that cause harm
what is a food web and food chain?
name 3 examples of atoms
ANYTHING!!
explain the structure and function of skin, bone, and muscles in our body
skin: stretchy, protective layer
bones: hard, protects our organs and allows for movement
muscles: weak or strong, allow for movement
unicellular is one cell and multicellular is many cells
why is temperature, light and water considered abiotic factors?
do not require oxygen, food and nutrients to survive
what are invasive species
animals that adapt to a new ecosystem where they are not welcomed
what are three states of matter
solid, liquids and gases
explain the healing process
our body gets injured and begins to heal by allowing blood to clot and forming a scab. during this process, our tissues work together to form a gap to allow for new cells to grow
stable internal condition is known as
homeostasis
true or false : light intensity and gases are considered abiotic factors
explain a population and ecosystem
All populations living together (biotic factors) and the physical factors with which they interact (abiotic factors) compose an ecosystem.
salt, sugar and snow are known as
solids