The figure below shows a food chain that might exist in a meadow. Meadow Food Chain
Owl
Green plants Beetle
Toad
Snake
Which organism is the primary consumer in this food chain?
А
owl
B
toad
с
beetle
plant leaf

Variety of living organisms; includes genetic, species, and ecological types.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

The hardy-weinberg principle is that genetic frequencies in a population? will remain stable from generation to generation will always be changing will not be affected by environmental changes are always in a 3: 1 ratio