What is the source of energy in most ecosystems

Two stimuli repeatedly experienced together will eventually elicit the same response. Additionally, behaviors followed by pleasant outcomes tend to be repeated, while those followed by unpleasant outcomes tend to be dropped.

Scientists discovers plant cell has no mitochondria explain reasoning and provide proof it is false

The pacific of fire is?

Homologous structures are assumed to: • Have different functions •Have the same evolutionary origin •Have the same function •Have different evolutionary origins

How are theories formed

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.