The tool most effective at monitoring the anaerobic conditions caused by sudden spikes in the population of algae in a lake is the A) rain gauge. B) Secchi disc. C) thermometer. D) dissolved oxygen meter.

In order for any animal to grow, repair its body,

Enzymes are considered catalysts, why is this significant to life on this planet?

What might cause scientist to change a scientific theory

Double-blind experiments are conducted in an effort to rule out experimenter bias as well as research participant bias. True or False?

What structures are found only in plant cells not in animal cells

Sally's estimated energy requirement, based upon her age, height, and weight, is approximately 2000 kcalories per day. What is the maximum number of kcalories per day that she can consume to lose 3 pounds per month. Assume 1 month is 30 days. a.

Which hormone causes the regrowth of the endometrial lining of the uterus? testosterone estrogen GnRH progesterone

78.44 meters to centimeters

Which of these is an example of an endoparasitic relationship? O A. A tapeworm living in an animal's intestine O B. A rabbit eating lettuce in a farmer's garden O C. A tick living in an animal's fur coat O D. A snake eating a mouse in a cornfield

Why is the presence of organic material in the soil important? A) It wards away plant eating organisms. B) It increases plant growth. C) It increases sunlight absorption. D) It increases water absorption.