The answer is C. At first I thought it was D but it actually belongs to clubmosses
Phylum Porifera
The phylum Porifera ("pore-bearing") consists of approximately 5,000 species of sponges. These asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution
Answer:
the answer is b. muscular walls of the arteries
Explanation:
Answer:
This graph is showing how different rates of light intensity, environmental temperature, and Carbon dioxide affect the rate of photosynthesis. It looks like the greatest rate of photosynthesis has .13% Co2 at 30 degress celsius.
Explanation:
I was always taught that they y-axis is the dependent variable and going off that, all the other variables can be controlled and changed.
The answers B we're using them faster than they can form