Answer:
Ecosystems
Explanation:
An ecosystem is where the biotic and abiotic factors live. The other options only contain biotic factors.
The answer is called encapsulated. Hope this helps, please don't forget to say thanks.
Answer is membrane protein
Plasma membrane or cell membrane is made of lipoprotein (lipid and protein). The structure of the plasma membrane is based on the fluid mosaic model which gives basic description of the structure and behavior of membranes. The plasma membrane is a mosaic of phospholipids, cholesterol and proteins. Many proteins can move within the plasma membrane through membrane diffusion. The membrane proteins regulates the coming and going of substances into and out of the cell.
the correct answer is D. for example per say an animal sadly dies. Then bacteria break down dead plants or other living things using decomposition, and later on use nutrients for plants to grow. and it is a cycle on and on and on.
Answer;
Adrenal glands
Explanation;
-When confronted with a stressor, the adrenal glands respond by producing stress hormones, including catecholamines, cortisol, and epinephrine.
-In response to acute stress, the body's sympathetic nervous system is activated due to the sudden release of hormones. The sympathetic nervous systems stimulate the adrenal glands triggering the release of catecholamines, which include adrenaline and noradrenaline.
-These "stress hormones" cause several changes in the body, including an increase in heart rate and blood pressure.