2nd I'm pretty sure. it would truly be correct if it were italicized to
Answer a)
The students should only have changed one variable to test for germination of seeds. They should have just changed the seed types and rest all factors like temp, pH should be kept constant for all of them.
Answer b)
The procedure could be changed as follows. The students should place three of each types of seeds in the petri dish. They should keep all the conditions like nutrients, temperature, pH constant for all the three dishes. After this observations should be made to check which seed germinates faster.
Most animals are well adapted to their biotic and abiotic conditions due to behavioural, physiological or structural adaptations that increase their chances of survival and reproduction. I looked it up for you
Through mitosis, daughter cells will maintain 20 chromosomses. Meisosis will create cells with 10 chromosomes.