Bio Lecture 1
Question 1: Species can produce with one another. Species can be the same as
Question 2: genotype and phenotype frequency- genotype (alleles)
Natural selection: a process that works on variation in traits that are heritable
Exam Form A
1. For what disease did Dr. Edward Jenner create the first effective vaccine (around 1800)?
* c. small pox
d. yellow fever
2. As you go from the equator towards the poles, you usually pass through _ biomes
well confirmed hypothesis
Good theory is like a pyramid; a little at the top, more and more as you go lower down toward the base
1 Organisms behave selfishly (animals, plants, fungi, bacteria)
2 Animals and plants behave selfishly
WHAT IS NATURAL SELECTION?
An editing process with three components: - works on variation in traits
- works on heritable traits
- works on traits that influence reproductive success
it has to survive to reproduce, the more it reproduce the more the specie
Competition among males for reproduction ( to attract the female; better genes etc )
Those individuals with traits best suited( adapted ) to the local environment will tend to produce
more surviving offspring
-THIS IS NATURAL SELECTION
DARWIN'S RETURN AND SUBSEQUENTLY
Concludes that evolution is a "fact"
And also concludes that mechanism producing change is natural selection
Thomas Malthus influence: economist, social scientist, the idea of reproducing an infinite
number, so many offspr
Exam Form C
1. In the late 1980's, the Irvine Company agreed to donate 114 acres of bluff land for a
Regional County Park around Upper Newport Bay. They did this in exchange for the right to
a. Bolsa Chica Wetlands in Huntington Beach.
Exam Form B
1. You go to the doctor and are told that your blood pressure is 120/70.The 70 is
a. the pressure in your blood vessels when the heart is contracting.
b. the average pressure in your blood vessels.
c. the pressure in your heart.
d. the pressur
Coevolution specifies that mutually influence each others evolution
Going on for more than 100 million years
Result: flower structures have become incredibly diverse and complex
Bird, bees ants flies visit flowers to get pollen or nectar
Nectar is a sacch