Why is a pyramid a good shape to represent how matter and energy transfer in an ecosystem? Why not use a circle or square?

How do greenhouse gases affect earth's environment?

Which is true about scientific knowledge? A. It is agreed upon by all scientists. B. It is not based on observation. C. It is rarely proven wrong. D. It changes as new evidence is found.

Basal metabolism is the largest component of total energy expenditure. true or fase

How do fossils provide evidence for evolution

The most important of the secondary lymphoid organs in the body are the lymph nodes. a. True b. False

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.