Early classification systems placed plants and fungi in the same kingdom. After
further studying these organisms, taxonomists moved fungi into a separate kingdom.
What question would have led scientists to separate plants and fungi into two
distinct kingdoms? (AKS 5a, DOK 2)
A. Does the organism have cells?
B. Does the organism reproduce?
C. Does the organism grow on the ground?
D. Does the organism use sunlight to make food?

I think the awnser is D.

Explanation:

plants and fungi have cells

they both reproduce

growing in the ground doesn't classify it

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .