A testable hypothesis could be formed from which question?
O Are bass more active in the daytime than at night?
O When whales jump out of water, are they happy?
O Are red tulips prettier than tulips of other colors?
Why are gerbils Hore popular as pets than hamsters are?

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence