What is the primary reason that species are overharvested?

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air