The correct answer is A. are nutrient-rich environments
Oceans are very poor when it comes to nutrients whereas lands are full of nutrition for organisms that use it.
Answer:
What is Tissue
Explanation:
A tissue is a group of many similar cells (though sometimes composed of a few related types) that work together to perform a specific function. An organ is an anatomically distinct structure of the body composed of two or more tissue types. Each organ performs one or more specific physiological functions.
Because the gram stain differentiates two types of bacteria based on the composition of their cell walls.
