Independent variable: The difference in the amount of water the plants are fed. Dependant variable: the health of the plants . Control variable: temperature, amount of sunshine, type of plant amount of co2,
Answer: Response to the environment.
Explanation:
Living organisms respond to their environment, and this <u>response to stimuli is an important characteristic of life, because it helps the organism to stay in balance</u>. Anything that causes a living organism to react is called a stimulus, which can be external or internal.
The effectors produce an appropriate response to the stimulus in order to maintain homeostasis within the organism.
Ultraviolet light can damage the DNA in cells, causing mutations. So, once the skin is exposed to sunlight, the organism tries to cover all the cells with melanin, which block UV rays.
<span>Vertebrates
are known to be animals with backbones.
The following are the evolutionary changes of vertebrates:</span>
*Jaws
- Fishes before sucked and rubbed on their preys but now, they already have
jaws that enable them to more efficacious in getting their preys.
*Lungs
and limbs - Animals on the sea need to adapt when they look for their preys on
land, in turn, they had evolved to acquiring lungs for breathing and limbs for moving.
*Endothermy
- ‘Endo’ meaning internal and ‘therm’ meaning temperature. This gave animals’
bodies heat supply from burning the food they eat.
<span> </span>
Answer:
Look below
Explanation:
An organelle is a very small cellular part or structure that has a very specific job/task in the cell.
