What is an ecological niche

Gland that controls the metabolic rate

The data in the table are the result of a paramecium being placed in a hypertonic salt solution. Which statement correctly describes the bars on a bar graph representing the data? The graph has five bars of equal height.

Which of the following best describes the main purpose of the sequences of nitrogenous bases in DNA? * A gives DNA the shape needed for translation B prevents mutations when coding for amino acids C forming the hydrogen bonds between bases D carries

What are the body systems we use while eating?

The first line of defense against pathogens includes: A. Inflammation and phagocytosis B. The skin and mucous membranes C. Interferon and complement D. Fever and lysozyme E. Skin and phagocytosis

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.