When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.
Answer:
One atom pulls an electron from another atom.
Explanation:
In Ionic bonds, donating and gaining of electrons takes places.
The first single celled life form appeared on earth roughly about 3.5 billion years ago
Answer:
This trait is inherited in a Mendelian fashion.
Explanation:
Chi-square test is used to test the relationship b/w variables, on performing the chi-square test on traits of corn, value that we obtained was zero, it means that there is no relationship b/w two traits. So, the trait has been inherited independently in Mendelian fashion.
D). Many different experiments are performed and repeated.
