In a particular breed of cattle, the trait of not having horns (Pp) is dominant over having horns (pp). The Punnett square below shows a cross between parents with Pp and pp genotype.

What percentage of offspring will be without horns?

A. 0%
B. 25%
C. 50%
D. 75%

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.