Snail, butterflies, shelf fungi, euglena, cactus

Which of the following statements describes how these organisms are an example of the cell theory?

A) The organisms have cell that lack a nucleus

B) the organisms are made of one or more cells

C) the cells of the organisms undergo photosynthesis

D) the cells of the organisms are identical to each other

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy