The factor that an experimenter is measuring or counting in an experiment is called the

independent variable.

dependent variable.

control variable.

hypothesis.

Explain the relationship between each pair of terms: a. gene and chromosomes b. gene and DNA c. gene and allele d. allele and meiosis

What is the term used to describe the number of individuals moving into a population?

Joe is a feline veterinarian and owns a clinic. Which animal is likely to be his patient? A. a dog B. a hedgehog C. a frog D. a cat Reset Next

What would happen to the population of an animal if its natural predator was removed from the food web? A) It would decrease B) It would stay the same C) it would increase D) It would fluctuate

Which body parts regulate heart rate, brething, swallowing, sneezing, and coughing?

What is an abiotic factor of a marine ecosystem? A). Food produced B). Temperature change as you go deeper into the ocean C). Reproduction of animals

1. Suppose that xylem were located only in the roots and stems of a plant. Would fluids in the xylem still move? Explain.

What activity will decrease body temperature? Sweating Exercising Adding clothing Shivering

Organisms with true radial symmetry A. tend to be highly mobile. B. do not have a distinct head region and tend to be sedentary or passive drifters. C. can be divided into two matching halves along only one plane. D.

1. The Earth's carbon cycle consists of the flow, cycling, and recycling of all of the carbon on the Earth. Every living organism's composition includes the element carbon. How does carbon become part of living organisms?