<span>The option which is responsible for the exchange of gases in a leaf is D. the stomata. Stomata are tiny pores in leaves that enable the flow of gases throughout a plant. The phloem transports sugar, spongy is an adjective referring to something that resembles a sponge, and mesophyll is the part of the leaf that contains chloroplasts.</span>
Answer:
is 1
Explanation:
because 1+0+0+0+0+0+0+0+0+0+0+0+0+0=1
Convention is the answer. The circulate for warmth and cold
The main difference between population and community is that a population is a group of individuals of a particular species living in a particular ecosystem at a particular time whereas a community is a collection of populations living in a particular ecosystem at a particular time.
Answer:
Explanation:
In 1869, Friedrich Miescher isolated "nuclein," DNA with associated proteins, from cell nuclei. He was the first to identify DNA as a distinct molecule. Phoebus Levene was an organic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA.
