Which technological was necessary before scientists could begin to observe cells?

What sensory organ allows fish to sense vibration and pressure changes

The open-ocean zone is further divided into which zones? Check all that apply. deep zone neritic zone surface zone intertidal zone transition zone

The dominance pattern of a gene can be determined from the phenotypes of the parents and offspring. In the examples below, assume that each parent is homozygous for the specific allele and that the progeny are heterozygous.

What feature connects an island to the mainland or to another island

The scientific two part name of a dolphin

Which of the following is the densest layer of solid earth? A. Crust B. Atmosphere C. Core D. Mantle

When a cell undergoes mitosis, how many daughter cells are produced? Are they genetically identical or are they different. Why is this important, especially in multicellular organisms?

The structural level of a protein least affected by a disruption in hydrogen bonding is the A. primary level B. secondary level C. tertiary level D. quaternary level

Which of the following statements is true about psychological factors of attraction? A. You are likely to be attracted to someone who is different from you. B. You are likely to be attracted to someone who is physically far away from you. C.

A person that is heterozygous type AB (AB) marries a person that is heterozygous type A (AO). What is the probability that their potential offspring will be type A? A. 0% B. 25% C. 50% D. 75% E. 100%