The bivalve that was a keystone in Iowa, making sure the water stayed clean and filtered, is shellfish.
<h3>What are shellfish?</h3>
Shellfish is a term used to describe the fishes that have exoskeleton and are used to eat.
The shellfish is divided into two groups:
- Crustaceans: shrimp, prawn, lobster, etc
- Molluscan/ bivalves: oysters, clams, mussels, etc.
So, the molluscan are believed to keep the water bodies clean
Thus, the keystone species is shellfish.
Learn more about shellfish
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Answer:
1, 5, 2, 3, 4
Explanation:
There are several enzymes involved in DNA replication and the step by step process of replication along with enzymes involved is as follows
a) Helicase is the first enzyme to act and it has a very important role in replication. Helicase unwinds the double helix of DNA
b) Single strands binding proteins prevent reattachment of DNA helix
c) Topoisomerase is responsible for relieving or inducing supercoils
d) The primase then lay the starting blocks made from RNA
e) DNA polymerase enzyme III lay the DNA from 5 prime to 3 prime.
f) DNA polymerase enzyme I then do half ladder replication
g) DNA Ligase links all the fragments.
Hence, the correct sequence is 1, 5, 2, 3, 4
Adrenaline is known as the emergency hormone because it is released by the adrenal glands under the conditions of stress or excitement.
Answer:
it's a community of individuals that CAN have offspring, but whether the offspring will be healthy depends on the genes or the parents.
