Isaac is studying relationships between organisms in the
phylum Chordata which includes humans and all other
animals with a backbone.
Beginning with domain as 1 and then counting down the
levels in the modern system of classification what level is
"phylum” ?
O 2
O 3
O 4
O 5

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

2b2t

explanation:

2b2t