The skeleton that donald johanson discovered and named lucy bleonged to the ealest homind group called?

a. neanderthals

b. homo habilis

c. australopithecines

d. homo erectus

Which is an example of an organism? A. a hickory tree B. the stripes on a tiger C. a beehive D. a snake's heart Which example shows an organism maintaining homeostasis? A. a bacterium dividing into two B. a chicken laying eggs C.

What variable is changed when a scientific experiment is carried out?

What is the acceleration of a marble in that has a mass of 90kg and a force applied of 60N

What are Designer Babies? What are the pros and cons?

Which is the third stage of cellular respiration

Photosynthesis is an example of an exothermic reaction. an endothermic reaction. a reaction that gives off heat. a reaction that emits energy.

The position of a specific gene on a chromosome can be determined by:

What is An easy way to describe low and high air pressure

What type of animal do most scientists believe are the ancestors of the modern day whale

How is blood routed through the small intestine? which class of nutrients enters the body via blood?