Answer:
Explanation:
1. a. Sunlight hitting the Earth's surface is the source of all energy in the pyramid.
b. 25,500 kcal is provided by this source to a square meter per year.
Answer:
DNA that contains genes from more than one organism is called "Recombinant DNA".
Athletics would be the easiest choice here
Sports are an active that takes up a lot of different organ systems. When running I use my muscular system and cardiovascular system the most. The cardiovascular system directly controls running because it helps prevent me from getting tired and worn out faster.
Hope this helps :)
The best answer is c - a hickory tree.
An organism is defined as a living thing which can function on its own. It has interdependent parts and is capable to some degree of responding to stimuli, can reproduce, grow and develop and maintain homeostasis. Plants are organisms because they fulfill all these characteristics.
On organism is made up of one or more cells. If it has only one cell it is called a unicellular organism and if it has more than one cell it called a multi cellular organism.
First blank - mitochondria
Second blank - ribosomes
