Which is an external stimulus?

A thirst

B heat

C pain

D hunger

Blue eyes are dominant to red eyes in rabbits show a heterozygous blue eyed rabbit crossed with a red eyed rabbit

What factor can cause to two populations to become reproductively isolated? a. change in classification b. interbreeding c. geographical barrier d. genetic exchange

The red kernel color in wheat is caused by the presence of at least one dominant allelefrom each of two independently segregating gene pairs (e. g., R-B-).

Which statement is false? Populations can have negative effects on their environment. Populations can affect the size of other populations. Populations have no effect on their environment. Populations can adapt to changes in the environment.

N the cell, which organelle has the function of using oxygen in the breakdown of glucose, releasing energy and carbon dioxide? A) ribosomes B) golgi bodies C) mitochondria D) endoplasmic reticulum

occupations that draw on a knowledge, understanding and application of scientific principles

The family nurse practitioner is discussing mammography with a group of women and providing the recommendation from the american cancer society. what important information should the family nurse practitioner include in the discussion

Briefly describe the roles of heat, pressure, and water in the origin of magma.

A rock that contains a fossil is most likely ... A. Igneous B. Sedimentary C. Metamorphic D. Felsic

How do enzymes weaken the bonds in substances?