A hypothesis is a possible explanation that can be tested by observation or experiment

How do producers get the chemical energy they need to live and grow

The phototropic response to sunlight is a mechanism that evolved over millions of years. what advantage to the plant is there from this response to sunlight?

All plants reproduce several times before dying. true. false.

What are the three domains into which all living organisms are placed?

According to researchers, multitasking

Why do our classification systems change?

Potato plant, which organ is used primarily for food storage rather than food production? A) flower, B) root, C) stem, D) left

Which of the following is an example of an extended product responsibility? Select one: a. ecotourism b. soft loans for business planning to implement environmental products c. the use of recycled wood products in the manufacture of new products d.

What is an organism that lives on or in another organism and uses the other organism for nourishment to the detriment of the host organism?

If I turn my computer off at least once a week, it will run faster. What is the independent variable? What is the dependent variable? What are some controlled variables?