what do living things need?
1. water
2. food
3. a place to live
and oxygen
Cell wall?
This stiff structure protects and supports the plant cell.
This thin covering is found outside the cell?
Cell membrane
Filling the cell is a substance that is like jelly?
Cytoplasm
500
500
how are bacteria similar to viruses?
they can't be seen without a microscope
why did the author write this selection?
to inform readers about the organization of the structures of organisms.
what is the basic part of an animal?
a cell
what job does a root cell do?
takes in water and nutrients
what is the function of the red blood cell?
describe the shape of red blood cells.
soccer ball without air
What cell is responsible for the movement of limbs in animals?
muscle cells
what is the function of the nerve cells?
to carry messages from one part of an animals body to the other.
What life function does the heart perform?
moves blood throughout your body
what is similar between hand lens and a microscope?
both make small things look much larger.
offspring?
a term we use for the young of living things.
cell?
smallest unit of living matter
Chloroplast?
the plant cell’s food factory has chlorophyll.
what does chlorophyll help the plant with?
it helps plants make food using the suns energy.
what part of a cell controls all activities?
Nucleus
What are the five basic life functions that organisms carry out?
1. to grow
2. to reproduce
3. to get energy from food
4. to react to changes in their environment
5. to get rid of waste
Provide 3 examples of a basic life function being performed by organism's
1. An albatross reproduces to make offspring.
2. A snake sheds its skin to develop.
3. A woodchuck eats flowers.
explain what the author was trying to show by writing the following sentence.
‘’Ants and onion plants are made of cells. You are too!’’
all living things are made of cells
what makes plant cells different from animal cells?
plant cells have chloroplasts, but animals do not.
give the 3 types of organisms.
living things
1. humans
2. plants
3. animals