Ecology- Chapter 1 Flashcards
The word Ecology
was coined in …. by
…..
1866- Ernst Haeckel
Who is Ernst Haeckel?
1834-1919)
German biologist,
naturalist, philosopher,
physician, professor,
marine biologist, and
artist.
How did Haeckel define Ecology?
He defined ecology as “the entire science of
the relations of the organism to the surrounding exterior
world, to which relations we can count in the broader
sense all the conditions of existence.”
T/F: Ecology is, and always has been, of direct
relevance for human societies
True
T/F: Early hunters and gatherers had to know about the
ecology of their food.
True
T/F: the early agriculture could lead to manmade
ecological disasters.
True
How did agriculture in Mesopotamia affect ecology?
Wheat cultivation started in Mesopotamia thousands of years
ago. Ecological mismanagement led to salinisation and
to the collapse of the culture.
How would native Americans use Prairie ecology?
using fire to clear the land for
agriculture, improve grazing and forage for game species, or direct
game migration. Prescribed burning is today a tool for conservation.
…. is a natural elements of prairie ecology
Fire
Which of the following is an agricultural pet?
1. Ladybugs
2. Wheat stem sawfly larvae
3. Army cutworms
4. Colorado beetle larvae
- Colorado beetle larvae
How would Spraying the forest with the herbicide glyphosate affect ecosystem?
- Reduces competition by unwanted aspen* (intention).
- Reduces food availability for
animals, such as moose. - Increases risk of forest fires.
- Affects people who live off the land.
- May be carcinogenic.
- It may last in the environment for years
What is Glyphosate?
Glyphosate is a broad-spectrum herbicide preventing synthesis of some amino-
acids. Hence, it kills actively growing plants. Due to differences in phenology,
depending of the time of the year it may selectively kill broadleaf trees but not
conifers.
Who is Theophrastus?
Theophrastus (c. 371 – c. 287 BC)
* A Greek philosopher
* He described interrelationships among animals and between animals and their environment as early as the 4th century BC
name a Germán naturalist who is sometimes called “ Father of ecology”
Alexander Von Humboldt ( 1769-1859)
Who is Alexander Von Humboldt?
German naturalist, and explorer.
Understood the interconnectedness of climate,
geography, nature, and human societies.
Sometimes called the “father of ecology”. One of the first scientists to empirically observe
and describe links between vegetation and
abiotic environmental conditions