X to the second power times negative 5 x times negative 10 equals 0

An ecosystem is balanced when a. energy does not enter or leave the ecosystem. b. there are an equal number of plants and animals. c. there is plenty of rain. d. there are enough resources for every living thing.

10. What always happens as an unstable isotope decays? A. atomic mass increases C. atomic mass stays the same B. atomic number decreases D. radiation is emitted

A student argues that two species of birds are the same species because they have similar body structures, similar DNA, and similar beaks.

The slower an object moves the more kinetic energy it has. True False

Which is used to copy DNA for DNA fingerprinting? A. Nuclear transfer B. Gel electrophoresis C. Reverse transcription D. Polymerase chain reaction

Do you think that there is a difference between the male bodybuilding and the female bodybuilding communities?

7. Where is DNA found in the cell?

What are some examples of uses of minerals? Check all that apply. salt soda can toothpaste applesauce wooden craft stick

What structure is the functional unit of contraction in a skeletal muscle fiber?

Right handedness (R) is dominant over left handedness (r). The ability to roll your tongue (T) is dominant over the inability to roll your tongue (t).