Answer:
D. Cell wall
Explanation:
Cell wall is also present in prokaryotes it is made of peptidoglycan layer.
The sun is about 109 times the size of earth, so about 0.073394495412844 inches wide:)
<span>This research study would be a prospective cohort study. </span>
<span>In this study, the groups are different in some way, for example, a control group which received no treatment, a standard group who received a well-studied drug and a test group who received a new drug. These groups are followed over time and the outcome (such as curing a disease or alleviating symptoms) will be compared. </span>
<span>Deforestation affects biogeochemical cycling mainly by disrupting the water cycle, causing water to be lost more rapidly from the ecosystem and with it important elements and nutrients. this was from socratic.com, it isnt my words but its an answer </span>
Answer:
Book lungs
Explanation:
The horse shoe crab has a hard outer surface carapace which has the shape of a horse shoe.
It has book lungs which come in 5 sets. The lungs are usually found on the ventral side of the crab.
The book lungs acts as gills which is used in breathing when the horseshoe crab is in water . The book lungs also helps the crab to breathe on land for a certain period of time provided the lungs are moist.