Which of the followiing characteristics of living things is very important for a group or organisms, but not a single orgaism?
a
living things respond to their environment.
b
living things maintain internal balance
c
living things reproduce
d
living things are made up of units called cells

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata