Answer:
The idea of spontaneous generation was disproved by Francesco Redi.
Explanation:
- Spontaneous generation is a theory that states that living organism can generate from an inanimate object.
- In, 1668, Francesco Redi demonstrate an experiment explaining the theory of spontaneous generation by using meat.He noticed that flies laid eggs on meat which was kept open and maggots developed.
- He took three pieces of meat to do the experiment.
- The first piece of meat was kept open and as usual maggot development takes place.
- With the 2nd piece of meat,he covered it with a piece of cheesecloth and noticed that,flies lay eggs on the cheesecloth but when he removed the cloth,maggot did't form.
- Next, he took a piece of paper and cover the meat piece, and he noticed that flies did't lay any eggs and thus no maggots formed.
<span>A newborn baby have 2 fontanelles that is anterior and posterior. In generally anterior fontanelle closed in 18-24 months and the posterior fontanelle closes 2-3 months after birth.</span>
Ecosystem ecologists are often most interested in tracing the movement of energy and matter through ecosystems.
Answer: The air surrounding the petri dish and the agar medium are providing the necessary resources required for the growth of the bacteria.
Explanation:
Bacteria require food, suitable environment and water necessary for the growth and survival of the bacteria. Nutrient agar is sufficient to provide all these resources to bacteria necessary for survival and reproduction. Also the short generation time of bacteria allows the colonization at a faster pace. The nutrient agar provide resources which sustain the carrying capacity of the agar for longer.
There are several mammals that cannot jump, including elephants, hippos, rhinos and sloths. It is a myth that only one species in the entire animal kingdom is incapable of jumping.
