Provides a way that a version of a gene found on one chromosome can move onto the other chromosome.

a. anaphase ii

b. gamete fusion

c. independent assortment

d. crossing-over

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root

What is any method of measuring the age of an object or event in years, such as using atomic half-life?