(b) How can an adaptation increase an organism's fitness?

An easy way to calculate the amount of energy available at each level is to what?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million