<span>Certainly. Every organism has a variety of different characteristics. One person writing a key might choose to use different characteristics than another person would use.
For example: Here's a key for separating fish, snake, frog and mouse
1.
A. Has scales on its skin ... 2
B. Has no scales on its skin ... 3
2.
A. Breathes with gills - fish
B. Breathes with lungs - snake
3.
A. Has hair or fur - mouse
B. Has no hair or fur - frog
Here's a different key for the same four animals:
1.
A. Has four legs ... 2
B. Does not have 4 legs ... 3
2.
A. is warm-blooded - mouse
B. is cold-blooded - frog
3.
A. has fins - fish
B. has no fins - snake</span>
A genome contains all the instructions that are needed to build an organism. <span>A genome is a complete set of genetic instructions of an organism. It is made up of DNA which contains genes and it is packed into the structures called chromosomes.</span>
Explanation:
La energía es Consumidor como Animales y Plantas utiliza la energía para los procesos de la vida y se trasforma en Calor
True because excretory is like sweat and you sweat through your skin- more specifically the pores in your skin