Answer:
One advantage of models is that all the mice are exactly alike except for color, enabling the control of all variables except the one being studied. Models are also easier to work with than live mice. One disadvantage of using models is that they do not have the same smell and behaviors as real mice.
Another advantage is that models can be reused for the experiment for a longer period of time with less maintenance.
False ⇒ Our cells (human cells) contain DNA!
Answer:
Some 40% of the world's people suffer from micronutrient deficiencies. In the name of the poor, genetic engineering is being promoted as the solution to this problem. Researchers have developed transgenic rice containing beta-carotene and claim it will combat Vitamin A deficiency in rice-eating regions.
Explanation:
Answer:
The answer is still no;
Explanation:
as they live in water they probably don't take it in as a conscious response to seek out and drink water. Thirst is usually defined as a need or desire to drink water. It is unlikely that fish are responding to such a driving force.