A hypothesis is a ... 1.) tentative answer to a question. 2.) possible solution. 4.) proven theory. 5.) a stronger term for certainty than a theory.

You are in a body of water where freshwater flows into the ocean. Which ecosystem is this?

What important function does the control of body temperature serve in chordates?

About 75 percent of earth surface is covered by

Barth and Space Setenee semester 2011 The Expanding Universe Pre-Test Active /2000 Which statements describe the outer planets?

What are two methods scientists use to determine the evolutionary history of a species?

What is the speed of a car that travels a distance of 520 kilometers in 12 hours?

You observe 4 cell samples under a microscope. Identify which one belongs to a plant. A. Sample 2 has mitochondria and chloroplasts, a cell wall and a large vacuole. B. Sample 3 has mitochondria and a nucleus but no cell wall. C.

Wagner observed the coastlines and continents in the southern hemisphere has similar grooves which of the following supports coastlines far away from one another having similar Grooves

Name four classes that belong to the phylum Arthropoda

Aside from chromosomal abnormalities, all members of each species have the same number of chromosomes. True False