No, because DNA is a natural fact of a humans body.
<span>When a plant undergoes photosynthesis, one of the by-products is oxygen or CO2.
Hope this helps !!! ^_^ !!!</span>
Answer:
the male and female reproductive systems are important so that we can keep the planet populated and have families.
There are no choices but examples of biotic factors are trees, mosses, ferns, fungi, mammals, birds, reptiles, worms, plants, and lichens.
Answer:
The right answer is 1 and 4
Explanation:
A hormone is a biologically active chemical substance, synthesized by a glandular cell secreted into the internal environment where it circulates, acting remotely and by blood on receptors specific to a target cell. It transmits a message in chemical form and therefore plays a role of messenger in the body.
The emitting organ thus acts at a distance on all of the target organs of the organism or of neighboring organisms of the same species, or even of symbiotic organisms whose receptors are activated in contact with specific hormones (lasting interactions).
