Wings are found on
d. insects and chelicerates.
e. insects and crustaceans.
The correct answer is: insects.
Bilateral symmetry is characteristic of
Which cycle relies heavily upon bacteria?
The average number of individuals of the same species per unit of surface area at a given time is the
The first to make use of controlled fires were:
Homo habilis (early Homo)
Which scenario illustrates sex
Anatomy of the
The Components of the
- Lesser omentum
- Mesentery proper
- Falciform ligament
The Oral Cavity
Study Questions 2-1
1.Why is igneous rock, which does not bear fossils, often required to determine the age of a fossil?
The point of dating rocks is to determine the loss of some isotopes and the gain of other isotopes. The
method compares the abundance
Selfish Gene Questions 3
1.What types of resources can parents invest in children?
According to Dawkins, the types of resources that parents can invest in children are: food, together with
the effort expended in gathering food, risk undergone in protectin
Study Questions 0: Biology 155 Review
1. If a population of a diploid organism has two alleles for a single gene, B and b, and it satisfies the
requirements for Hardy-Weinberg equilibrium, what proportion of the population should have each of
Study Questions 1-2
1.Argue that the Ladder of Life or Great Chain of Being proposed by Aristotle and other early natural
philosophers is teleological.
2.Phenomena like this are often observed: A blacksmiths son often has large muscles even before he has
1) In physical systems, what does "survival of the stable" mean? In
physical systems, what sorts of things survive and what sorts of
things dont? (Hint: Think of various biological molecules and ask
what about them makes some more stable than others.)
Selfish Gene Question Set 2
1.What sorts of things do organisms compete for? What is worthwhile competing for?
Competition is an event among living things for resources, such as food, space, shelter, and mates.
Competition is used for resources when they
Study Questions 3-1
1.Does variation arise in response to need or is it just produced randomly? Describe Luria and Delbruck's
Genetic variation does not arise in response to need. Variation is randomly present in natural
Study Questions 3-2
1.Mendel did a series of crosses and found ratios like 3:1 or 1:2:1. Why dont we see ratios like Mendels
in natural populations?
We do not see ratios like Mendel ratios in natural populations because there can be a difference in
1.Given 3 genotypes (AA, Aa, and aa) in a population, with each genotype in equal frequency in both
sexes, list all possible matings and the ratio of offspring genotypes that would be produced by each
2.Given the situation described in que
How does Dawkins explain senescence and death? What solutions does he propose for extending
In reference to senility, Dawkins uses Medawars idea saying that we accumulate late acting deleterious
genes in our genome. A few examples of thes
Study Questions 2-2
How could you establish that the mouth parts of a fly are homologous with the mouth parts of
The mouthparts of the shrimp and fly are homologous as they inherited traits from common
ancestors. Both of the mouth parts came
the process by which different kinds of living organisms are thought to have developed and diversified
from earlier forms during the history of the earth.
species formation without branching of the evolutiona
Study Questions 1-1
1.Describe an example of morphological similarity between 2 or more species (name them) that seems
to fit with the idea of common descent. (Use an example other than one of the examples given in class.)
An example of morphological stru
1.How is igneous rock formed?
Igneous rock is formed through the cooling and solidification of magma or lava
2.How is sedimentary rock formed?
Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows
Functions of Blood
Transport of dissolved gases (oxygen and carbon dioxide),
nutrients (sugars, proteins, lipids), hormones (steroids,
protein hormones), wastes (soluble) and water (main
Chapter 18 - Cardiovascular System: Blood
Functions and General Composition of Blood (p. 695)
I. Functions of Blood
A. Transportation of dissolved gases (oxygen and carbon dioxide); nutrients (sugars,
proteins, lipids - glucose derived from carbohydrates)
Cardiovascular System: The Heart
Introduction to the Cardiovascular System (p. 727)
I. General function: to transport blood throughout the body to allow for exchange of
substances between the blood of capillaries and the bodys cells. Perfusion
Blood and Heart: Selected Clinical Disorders
I. Selected Clinical Disorders
1. Anemia: any condition is which either the percentage of erythrocytes is lower
than normal or the oxygen-carrying capacity of blood is reduced. Symptoms include: lethar