Students observer a worm on the edage of a sidewalk creeping aloing at a very slow pace. One student claims that movement in multicellular organismis requires the interaction of body systems. Explain this claim.
Fill in the blanks: Nerve cells _______________ diffrent parts of the body. As a result, muscular tissues ____________ casuing the worm to move.
Pick Two.
Contract and extend
remove waste
send messages to
pump blood
Complete the sentences to compare the two outcroppings.
Layer ____________ and Layer _____________ are the same age. (pick 2 letters)
Each layer contains the same type of ___________ becasue they formed during _________ time periods.
(pick 2 words)
B
D
J
L
fossils
rocks
similar
Determine the order in whitch the given rock layers were formed. Drag the layers to arrange them from the oldest layer to the youngest layer. Oldest is a top , Youngest is on the bottom.
Layer E
Layers D
Layer G
Layer B
A student claims that onions are not living things. Based on the microscope slide, whitch statements disproves the students claim?
Pick 2
A. Onion cells use energy
B. Onions respond to stimuli
C. onion roots are made up of cells
D. Onions engage in movment
E. Onion cells are able to reporoduce
Click on Pic and READ experiment
Based on the investigation, the student decides to add a large number of earthworms to their garden. Which statement best explains whether these data are being applied correctly?
A The variables are different, so you cannot expext the same results in the potted plant and the flower garden without collecting more data.
B The variables are the same, so you can expext the same results in the potted plant and the flower garden without collecting more data.
Based on the observations reagarding matter and energy flow in the containers, the student describes the role of the earthworm in the ecosytem created in the investigation. Which description best explains the role of earthworms in the ecosystem?
A consumers, becuase they eat organisms that would compete with plants for nutrients.
B producers becuase they use energy from the Sun to produce nutrients.
C decompsers, becuase they break down substances in the soil that provide nutients for plants