ZOOLOGY CHAPTER 1 (LECTURE) Flashcards
Greek word of Zoology and it’s meaning?
1.
2.
Zōion = Animal
Logos = the study of
Criteria for qualifying as an animal
1. ___ they consist of cells that possess a nucleus
2. ___ they primarily get their energy by eating other things
3. ___ breathing oxygen is a requirement for energy production and therefore survival
4. ___ mitosis and meiosis
5. ___ move around even once in their life
6. ___ animals grow from a hollow sphere of cells, an embryo in an early stage of development
- Must be eukaryotic
- Must be heterotrophic
- Capable of aerobic respiration
- Capable of sexual reproduction
- Must be motile/ free moving
- Grows from a blastula
Can be defined as ANY ORGANISMS DESCENDED FROM THE FIRST ORGANISMS THAT QUALIFIES AS AN ANIMAL
Animal
Different levels of organization
Atom
Molecule
Cell
Tissue
Organ
Organ system
Organisms
Population
Community
Ecosystem
Biosphere
Known living organisms
Bacteria
Protists
Animals
Fungi
Plants
Living organisms can be? (4)
Prokaryotic
Eukaryotic
Autotrophic
Heterotrophic
An animal is? (4)
Eukaryotic
Heterotrophic
Multicellular
Lacking cell walls
Principles of modern zoology is based on? (2)
Laws of physics and chemistry
Scientific method
_____ is the change in the genetic makeup of populations of organisms over time
Organic evolution
Classified organisms as growing and capable of reproduction
Aristotle
Developed the system of binomial nomenclature or “linnaean system of classification”
• set up similarity hierarchy
Carl Linnaeus
Theories on the origin of life
1. The universe originated from the explosion of a hot rotating ball of gas from life originated through chemical evolution
EARTH FORMED:
LIFE FORMED:
2.Life is created by supreme being
3. life came from non-living things as supported by Aristotle in his book titled ______
Big bang theory
4.5 BYA
3.5 BYA
Doctrine of creation
Spontaneous generation
“ on the generation of animals”
- Microscopic life forms were introduced from outer space
- life came from other living organisms as supported by Louis pasteur and Charles Darwin
- life came from non-living things or inorganic matter
Panspermia
Biogenesis
Abiogenesis
EVOLUTIONARY PERSPECTIVE IN ZOOLOGY
1. ______
2. ______
3. ______
- Organic evolution is the change in the genetic makeup of populations of organisms over time
- Each animal has its own evolutionary history
- animals are being grouped according to their similarities, differences and histories
Steps of scientific method (7)
Observation
Question
Hypothesis
Experimentation
Analysis
Conclusion
Communicate