What was the variable in Redi's experiment?

meat sealed in jars that didn't have contact with air

a swan neck flask that prevented air from getting in

uncovered meat that had contact with air

a straight neck flask to allow air to get in

The comparative study of past and present culture

Which is the best way to describe the biodiversity of an area?

Which theory of mate-selection suggests that people sift eligible mates according to specific criteria and thus reduce the pool of potential partners to a small number of candidates?

Which structures are found in both prokaryotic cells and eukaryotic cells? A. cytoplasm B. flagella C. pili D. plasma membrane E. ribosomes

Unlike mitosis, meiosis in male mammals results in the production of A) one haploid gamete B) three diploid gametes C) four diploid gametes D) four haploid gametes

It takes about 8 minutes 20 seconds for light (or radio waves) to travel from the sun to Earth. In the future, when there is a human colony orbiting Saturn, about how long will it take you to send a message from Earth to that colony? A. 71.25 s B.

How does King Hamlet die? A. His wine glass is poisoned. B. He is thrown off a bridge. C. He is bitten by a snake. D. Poison is poured in his ear.

A group of people? A:perspectives B:insituitions C:commuinty D:circumstances

The allele for brown fur in mice (B) is dominant over the allele for white fur (b). The fur color of one mouse is represented by Bb. What is the genotype of this mouse? What is the phenotype of this mouse?

What type of carbohydrate forms chains