Biology Quiz 9: Correct Answers and Feedback Analysis

Responds to a student in biology User Sade Alicia Hall Course Introduction To Biology Test Quiz 9 Started 6/3/17 4:32 PM Submitted 6/3/17 5:03 PM Due Date 6/5/17 9:00 AM Status Completed Attempt Score 30 out of 30 points Time Elapsed 30 minutes out of 2 hours Results Displayed Submitted Answers, Correct Answers, Feedback Question 1 2.5 out of 2.5 points This animal has radial symmetry, a gastrovascular cavity, and the same opening is for the entry of food and expulsion of waste. It is ___.

Selected Answer: a cnidarian Correct Answer: a cnidarian Question 2 2.5 out of 2.5 points Which of the following organisms have an exoskeleton? Selected Answer: Arthropods Correct Answer: Arthropods Question 3 2.5 out of 2.5 points The colonial theory of animal origins states that animals Selected Answer: evolved from heterotrophic colony-forming protists. Correct Answer: evolved from heterotrophic colony-forming protists. Question 4 2.5 out of 2.5 points

In amphibians, what function does the cloaca serve? Selected Answer: all of these except locomotion Correct Answer: all of these except locomotion Question 5 2.5 out of 2.5 points This vertebrate is a fish, has a cartilaginous skeleton, no jaws, and a tooth-covered tongue. This animal is a Selected Answer: lamprey. Correct Answer: lamprey. Question 6 2.5 out of 2.5 points Which of the following fishes has a jaw, scales, and a cartilaginous skeleton? Selected Answer: sharks Correct Answer: sharks Question 7 2.5 out of 2.5 points

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The number of individuals that make up a population gene pool is the Selected Answer: population size. Correct Answer: population size. Question 8 2.5 out of 2.5 points A group of organisms of the same species that live in a specific location is called a(n) Selected Answer: population. Correct Answer: population. Question 9 2.5 out of 2.5 points In itself, a flood that washes away an entire population of rabbits is Selected Answer: density-independent. Correct Answer: density-independent.

Question 10 2.5 out of 2.5 points A change in a population that is NOT related strictly to the size of the population is best described as Selected Answer: density-independent. Correct Answer: density-independent. Question 11 2.5 out of 2.5 points Elephants can live for between 50 and 70 years and a cow (female elephant) typically gives birth to 3 or 4 calves. What type of survivorship curve applies to them? Selected Answer: type I Correct Answer: type I Question 12 2.5 out of 2.5 points What invention about 11,000 years ago led to a boom in the human population? Selected Answer:

Agriculture Correct Answer: Agriculture Saturday, June 3, 2017 5:03:25 PM EDT

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