scenario 1: a scientist wants to figure out the winter migration
patterns for canadian geese. which method, a controlled
experiment, a scientific investigation or a scientific model would be
most useful to set up? why?

List two modern organisms that have pentameral symmetry

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."