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Penn Foster - Vet Tech - Introduction to 
Anatomy and Physiology Exam 100% 
Pass 
What's the term that describes multiple layers of epithelial cells? - 
Stratified Epithelium 
What's the best description of the locations of a cat's paw and shoulder? - 
The paw is distal to the shoulder 
Which body cavity contains the heart and the lungs? - Thoracic cavity 
What are the components of the dorsal body cavity? - The cranial cavity 
and the spinal cavity 
Which of the following is the proper way t...
Penn Foster Vet Tech AP1 Chapter 1: 
Introduction to Anatomy and Physiology 
Exam Question and Answers 100% 
Solved 
Anatomy - Deals with form and structure of the body and its parts - what 
things look like and where they are located. 
Physiology - Deals with the functions of the body and its parts- how 
things work and what they do. 
Microscopic Anatomy - Deals with microscopic structures such as cells 
and tissues. 
Macroscopic/Gross Anatomy - Deals with body parts large enough to 
be seen su...
Penn Foster Anatomy and Physiology 
Assignment 4 Exam Questions and 
Answers 100% Solved 
Bone - Composed of a sparse population of cells embedded in a hard 
intercellular substance the matrix. 
osteoblast - cells that form bone. secrete the matrix 
matrix - secreted by osteoblast and is made up of collagen fibers 
embedded in a gelatin-like ground substance made of protein and complex 
carbohydrates. 
ossification - osteoblast harden the matrix through this process. 
canaliculi - slots in the b...
Penn Foster Animal Anatomy and 
Physiology 1: Lesson 1 Exam Q&A 100% 
Pass 
The organ structures found in the ventral cavity, both thorax and abdomen, 
are called __________. - Viscera (the internal organs in the main 
cavities of the body) 
Major structures in the thorax would be... - Heart, major blood vessels, 
the lungs, and the esophagus. 
Major structures/tracts of the abdomen would be... - Digestive tract and 
all of its organs 
Urinary tract and all of its organs 
Reproductive tract and ...
Penn Foster Introduction to Biology 
Exam Questions and Answers 100% 
Solved 
____ are the smallest units of life. - Cells 
Order of biological organization - Population, Community, Ecosystem, 
Biosphere 
A modification that makes organisms more suited to their environment is 
called: - Adaptation 
The life domain whose members live in very harsh environments, such as 
salt lakes and hot springs, is: - Archaea 
During a scientific experiment, the control group is: - identical to the 
experimenta...
Penn Foster Biology Book 1 Exam 
Questions with 100% Correct Answers 
. In the nineteenth century, what was known about atoms? - The atom 
determines the chemical property of an element. 
How does this snake obtain nutrients from corn? - . By eating the lizard 
Based on this image, what can be inferred about the organization of life? - 
. Bigger systems build on smaller systems 
Why are there many niches of species in one mountain? - The elevation 
changes of the mountain cause different climate...
PENN FOSTER BIOLOGY: Genetics and 
Inheritance Exam Questions and 
Answers 100% Solved 
Trisomy - having three copies of a chromosome instead of two 
euploid - organism with the appropriate number of chromosomes 
Aneuploid - organism with more or less chromosomes inappropriate for 
species 
X inactivation - organism has too many X chromosomes, so one is 
inactivated, not expressed 
Barr bodies - inactive extra X chromosome 
complex traits - genes interact to give rise to different phenotypes 
mu...
Penn Foster - Biology Lesson 1, The 
Nature of Science, the Chemistry of Life, 
and Ecology, Exercise Answer Key Exam 
Q&A 100% Solved 
Lesson 1 - Exercise: Science in Society - Section 1 - Exercise 1 of 3 
1. Science is the systematic exploration of _______ about everything in the 
physical universe. - knowledge 
2. _______ caused the end of the nomadic lifestyle of ancient humans. - 
Agriculture 
3. Anthropology and psychology help us organize how humans _______. - 
learn 
4. The _______ is a ...
Penn Foster Vet Tech Biology-Plant 
Structure and Function Exam Q&A 100% 
Solved 
Meristem cells/tissues - First cells when a plant embryo begins to 
develop; cells organize themselves into tissues 
Apical meristems - Tissues located at the ends of a plant; have 3 types 
of specialized tissues: epidermal, ground, vascular 
Epidermal, ground, vascular - 3 types of apical meristems 
Epidermal tissue - forms the outer protective covering of a plant; cells 
exposed to air are covered by a waxy cutic...
Penn Foster Biology Chapter 14-19 
Exam Q&A with Complete Solutions 
Evolution - Genetic change in a line of descent over time. 
Fossils - Impressions, or casts, in sedimentary rocks of long deceased 
organisms. 
Biogeography - Te study of the distribution of organisims throughout the 
world. 
Summarize how nineteenth-century scientists contributed to the study of 
evolutionary change. - The work of Charles Darwin helped shape 
modern evolutionary thought. All species on Earth, including humans,...