A. Overview of Ecology
a. Ecology is the scientific study of the interactions between organisms and their
B. Hierarchy of Interactions
a. Biotic factors living
b. Abiotic factors not living
i. Water, temperature, light, min
BIO 102 Life Sciences II
Chapter 14 Study Guide
Lectures 14-beginning of 16
Biological species concept
Morphological species concept
Genetic species concept
Phylogenetic species concept
1. What happens during a mass extinction?
a. With massive loss of life through extinction, the remaining species adapt to the
new conditions and undergo speciation to repopulate the planet
2. Why do volcanic island chains such as the Galpagos h
1. What is the difference between an autotroph and a heterotroph?
a. An autotroph makes its own food from inorganic materials
b. Heterotrophs consumes food made by the producers, autotrophs
2. How do heterotrophs gain energy? How do autotrophs?
a. Eukaryotic, multicellular, heterotrophs, that obtain nutrients by eating
i. Male and female adults make haploid gametes by meiosis
ii. Egg/sperm fuse producing a zygote
iii. Zygote divides by mitosis forming a blastula
1. Hallow b
1. Explain the difference between a scientific theory and a hypothesis.
a. A scientific theory is a broad explanatory concept, where as a hypothesis is
focused on one single thing
2. How are plants, animals, fungi, and protists related?