Which group of organisms appeared for the first time during the ordovician period?
a. plants that live on land
b. plants that reproduce with seeds
c. single-celled organisms that perform photosynthesis
d. animals with shells or other hard parts

What do nitrifying bacteria convert

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination