Which human activity negatively affects the stability of the environment?

A. Riding bicycles

O

B. Planting trees

O

C. Recycling paper

O

D. Cutting down all trees in a forest

Q1. When the chromosomes line up in mitosis this is known as which phase?

The mbuna cichlids of Lake Malawi are a model for adaptive radiation. Currently, there are over 400 species, all derived from one common ancestral species. The graph shows the current count of species scientists have discovered in the lake.

Which best illustrates the result of the process of meiosis? A pea plant has the same flower color as its parent plants. A daughter looks different from both her mother and her father. A cheetah cub has very similar fur to its mother.

How could you use a microscope to determine whether or not a specimen is living or non living

Why is the interphase the longest phase in the cell cycle?

What is a structural barrier that a cell must overcome in order to go through mitosis?

What type of plant is the creosote bush?

Where does the Aurora Borealis occur in the layers of the atmosphere?

What is the biological significance of genetic diversity between populations?

Ms. Crawford gave the following instructions to her science class: • Place an empty water bottle on the table and remove the lid. Carefully pour 10 ml of vinegar into the bottle.