The skeleton that Donald Johanson discovered and named "Lucy" belonged to the earliest hominid group called

A. australopithecines.

B. Neanderthals.

C. Homo habilis.

D. Homo erectus.

What is the cause of the plate tectonic activity?

What are four types of tissues found in the human body? How are they classified?

What is the difference between an intron and a Exon

Describe how mutations lead to genetic variations

What is the process that uses sunlight to make and obtain energy for producers

Defining neuron, the structure of neurons, the function, and how neurons communicate with each other and the outside world.

What is a common ancestry and divergence

A complex carbohydrate that can be formed by the linking of simple sugar is

How is the brain able to differentiate between each sensory modality? A The action potentials, sent along the same nerve tracts, get sorted by the thalamus B The action potentials for each sense are sent along separate nerve tracts.

Nearly all cells in an organism contain identical DNA, and each DNA strand may contain hunndreds or thousands of individual genes. Is it likely that a cell would transcribe all the genes within its nucleus simultaneously. A. True B. False