a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
Answer:
. A euglena survives on its own because it completes all life functions. A white blood cell cannot survive on its own because it is just one cell.
Explanation:
. A euglena survives on its own because it completes all life functions. A white blood cell cannot survive on its own because it is just one cell because A Euglena is a unicellular organism that can perform photosynthesis and complete cell activities. They live in fresh water, have eyespot, can excrete and have flagella for movement which are cellular activities
But a white blood cell cannot survive because it is one cell because it is produce from bone marrow and is a part of the immune system and work with other networks in the body system to fight against body infections.
All microscopes have lenses. Some types of lenses are eyepiece lenses, objective lenses, and condenser lenses.
A. Kidneys are the organs in the urinary system that produce urine after breaking it down from food.
A. presence increases potassium concentration in the blood