Consider a lake ecosystem. The graph represents the relationship between two fish species found within the lake. What is the type of relationship that exists between the two fish species?

A.) Commensalism
B.) Competition
C.) Parasitism
D.) Predation

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

What is any method of measuring the age of an object or event in years, such as using atomic half-life?