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1) Answer the following ecology questions: a. Which of the following is an assumption of the Hardy–Weinberg principle? Question a. options:     Mutations are extremely uncommon or nonexistent.     Immigration does occur.     There is natural selection.     Populations are small.     Mating is nonrandom.

1) Answer the following ecology questions: a. Which of the following is an assumption of the Hardy–Weinberg principle? Question a. options:     Mutations are extremely uncommon or nonexistent.     Immigration does occur.     There is natural selection.     Populations are small.     Mating is nonrandom.

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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1) Answer the following ecology questions:

a. Which of the following is an assumption of the Hardy–Weinberg principle?
Question a. options:
 

 

 Mutations are extremely uncommon or nonexistent.
 

 

 Immigration does occur.
 

 

 There is natural selection.
 

 

 Populations are small.
 

 

 Mating is nonrandom.
 

 

b. Which of the following statements about adaptations and environmental constraints is FALSE?
 
Question b. options:
 

 

 Variations in depth, salinity, pH, and dissolved oxygen present unique habitats to which organisms are often uniquely adapted.
 

 

 As features of an environment change, organisms' traits that increase their ability to survive and reproduce will change.
 

 

 Every combination of environmental conditions presents a unique set of constraints to the inhabiting organisms.
 

 

 Natural selection will favor the same set of traits for a specific species under different environmental conditions.
 

 

 The characteristics that enable an individual to maximize fitness under one set of environmental conditions generally limit its ability to do so under a different set of conditions.
 

 

c. The acronym GMO means:
Question c. options:
 

 

 genetically modified organism
 

 

 growth-enhanced model organism
 

 

 genetically mixed organism
 

 

 genes Monsanto option
 

 

 None of these answers are correct
 

 

d. Migration is defined as the movement of __________ between local populations, whereas gene flow is the movement of ________ between populations.
Question d. options:
 

 

 individuals, genes
 

 

 genes, individuals
 

 

 heterozygotes, homozygotes
 

 

 ecotypes, mitochondria
 
 
 
e. Which of the following statements is FALSE concerning genetically engineered crops?
Question e. options:
 

 

 Ecologists are concerned about gene transfer between genetically modified crops and their wild relatives.
 

 

 Species of bacteria, yeast, plants, fish, and even mammals have been genetically modified.
 

 

 Genetically modifying organisms is a type of selective breeding known as artificial selection.
 

 

 Genetically modifying an organism often involves combining the genetic material from different species.
 

 

 Genetically modified organisms are used in agriculture, medicine, and pharmaceutical drug production.
 
 
 
f. What effect does increasing temperature have on the rate of photosynthesis?
 
Question f. options:
 

 

 Increasing temperature initially increases photosynthetic rate, but higher temperatures will eventually cause the photosynthetic rate to decline.
 

 

 The rate of photosynthesis always matches the temperature.
 

 

 Photosynthesis is unaffected by temperature change.
 

 

 Increasing temperature initially decreases photosynthetic rate, but it will eventually increase the rate of photosynthesis.
 

 

 The rate of photosynthesis always improves with increasing temperature.
 
 
 
g. Opening and closing the ___________ is a plant's most important means of regulating water loss.
Question g. options:
 

 

 cell nucleus
 

 

 chloroplast
 

 

 mitochondria
 

 

 vascular bundle
 

 

 stomata
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