Which statement is true about stromatolites?

WhWhat is an important function of mitochondria

Which of these describes conduction a. transfer of heat by the actual movment of warmed matter b. transfer of heat between two objects that are touching c. the process in which energy is released by molecules d.

Which type of cell contains mitochondria? a. both a plant cell and an animal cell have mitochondria. b. neither an animal cell nor a plant cell has mitochondria. c. a plant cell has mitochondria, but an animal cell does not. d.

How is homeostasis like cleaning your room?

X-ray diffraction photographs by wilkins and franklin suggested that

What is the dependent variable? Also what is the Testing Variable.

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?

Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out? a. Plants are secondary consumers. b. Plants also use cellular respiration. c. Plants extract ATP from the stars. d.

Describe 4 ways that we know the global climate is changing