Which characteristic of four different dinosaur fossils makes a dinosaur most similar to the present-day birds?

a) Flexible wrist

b) Flapping ability < - - * I chose this answer

c) Flight feathers

d) Primitive feathers

Why chimpanzees and bonobos are good models for the behavior of the last common ancestor (lca) ?

What role does intraspecies competition play in natural selection? There is competition within a species for resources, and only some individuals will survive.

how could Julio explain why all three species share some body structures and have some differences? why do only grizzly bears and sea otters have canine teeth?

Do women or men have it harder? why?

Why is it so hard to define a virus as living or non living?

Jill has found evidence that suggests that individual volcanoes produce igneous rocks with a certain chemical signature. She predicts that scientists could use an igneous rock's chemical signature to determine where the rock came from.

Which best describes dynamic equilibrium? There is a difference in concentration on either side of the cell membrane. There is an uneven distribution of particles inside and outside the cell.

Proposed a theory to explain the origin of life on earth

How the carbon atom's bonding tendencies lead to the formation of macromolecules

Smallest planet in the solar system