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Biology (Beginning - in slides (Reptiles - 345 Million, Mammals - 230…
Biology
Beginning - in slides
Reptiles - 345 Million
Mammals - 230 Million
Amphibians - 360 Million
Dinosaurs - 195 Million
Vertebrate - 370 Million
Birds - 140 Million
Terrestial Organisms - 430 Million
Flowering plants - 80 Million
Animal - 600 Million
Hominids
Multicellular - 720 Million
Eukryotes - 1.5 Billion
Autotrophs - 2.5 Billion
Life - 3.7 Billion
Earth - 4.5 Billion
History of Life in order
Terrestrial Organisms
Amphibians
Vertabrates
Mammals
Multicellular Eukaryotes
Dinosaur era begins
First Autrophs
Plants
3.8 - First life arrises
Dinosaur era ends
4.6 billion - Origin of Earth
First flower plants
First Hominids
Taxonomy
Kingdom: Animalia (All human examples)
Phylum: Chordata (Vertebrata)
Class: Mammalia
Order: Primate
Family: Homindae
Genus: Homo
Species: Sapiens
Fossils are the perserved remains of organisms that lived in the past
Question 8
A group of related organisms (usually organized by a specific key adaptation) that includes an ancestor and all of its descendants is called a(n)
_
a. Kingdom
b. Phylogenetic tree
c. Clade
Selected: d. Order
Drawin - Journey on Beagle, Grandfather
Question 12
In Darwin's Theory of Evolution by Natural Selection, the second point states that all life struggles to survive and leave as many offspring as possible. Which of the following influences on Darwin is most responsible for leading him to make this statement?
a. Jean Baptiste Lamarck
Selected: b. The Voyage on the BeagleThis answer is incorrect.
c. Animal Breeding
d. Thomas Malthus
Question 15
In Darwin's Theory of Evolution by Natural Selection, the fifth point states that the processes of Evolution occur over such an enormous period of time that normal human consciousness cannot witness the process. This statement was most influenced by
a. The Church of England
Selected: b. Thomas MalthusThis answer is incorrect.
c. Charles Lyel
l
d. The Voyage of the Beagle
Question 19
The best measure of an organism's evolutionary fitness is
No answer provided
a. If it produces the largest number of offspring even if only a very few survive.
b. How many other organisms it can dominate
c. Whether it produces healthy fertile and competitive offspring.
d. Whether it is the fastest or largest individual in the population
Population Gentics:
Studies how populations (and the porportion of alleles in the gene pool of that population grow or decrease in numbers)
Studies how populations (and the porportion of alleles in the gene pool of that population grow or decrease in numbers)
Carrying capacity - maximum number of organisms
Logistic growth : population grows until it reaches its carrying capacity, usualy representaed by S curve.
Population growth: Natural conditions - meaning no limits - population growth, rarely happens in nature