The cell membrane allows substances to enter and leave the cell and gives the cell structure.
Answer: net primary productivity is the amount of energy lost through respiration by producers SUBTRACTED From the gross primary productivity of an ecosystem
1 c is the answer. <span>Energy is not created or destroyed; it can change form or can be transferred.
2d work is calculated as newton x </span>displacement so 60 x 4= 240 joules
Answer:
C. <em>Clostridium</em> and <em>Bacillus</em>.
Explanation:
<em>Bacillus </em>and <em>Clostridium</em> are the gram-positive bacteria and form endospores. Endospores are the resistant dormant structures formed by some gram-positive bacteria.
These bacteria form the endospores within their vegetative cells. The endospores are highly resistant to environmental stress conditions and make these bacterial genera the dangerous pathogens.
