SEVENTEEN
what type of skin do echinoderms have?
spiny skin.
what is abiotic factors?
all non living things.
list the three parts in the photosynthesis process.
SWC
1. sunlight
2. water
3. carbon dioxide
which of the following is not a predator?
a. the plankton
b. killer whale
c. seal
d. dog
a. the plankton
what is an invertebrate?
animals without back bones
What stages are in complete metamorphosis?
egg
larva
pupa
adult
name the organisms break down dead producers, consumers and waste
decomposers
give an example of a plant that does not have seeds.
moss
5000
5000
name 3 types of organisms.
1. humans
2. plants
3. animals
What is function does your heart do?
moves blood throughout your body
state the difference between amphibians and a reptiles?
amphibians need to have moist skin, but reptiles have dry thick skin
name the smallest unit in the level of organization to the largest structure.
1. cell
2. tissue
3. organ
4. organ system
What is similar between a jawless fish and cartilaginous fish?
They both have skeletons made of cartilage
what can be described about the shape of red blood cells?
soccer ball without air
what are the three roles of leaves?
1. collect light from the sun
2. control the amount of water in a plant
3. collect carbon dioxide
what is the function of root cells ?
takes in water and nutrients
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
what makes bacteria similar to viruses?
both are small so they can't be seen without a microscope.
What can be concluded about spores?
spores will only grow on wet land and not grow on dry land
In what three ways are plants classified?
(LSR)
1. shape of leaves a plant has
2. kind of stem
3. shape of roots that a plant has
describe an interaction between a biotic factor and abiotic factor.
to lay its eggs' a frog depends on the water in a pond
What are the 3 ways that animals use to reproduce?
1. budding
2. regeneration
3. fertilization
why are producers and consumers simillar to each other?
they provide energy to decomposers
how are clams and oysters similar to each other?
both are mollusks