SCIN 130 AMU Quiz 6 Introduction to Biology American Military University assistance is available on Domyclass

SCIN 130 AMU Quiz 6

Part 1 of 8 – Chapter 13
Question 1 of 31
What are two defining characteristics of prokaryotes? A. multicellular, has nucleus B. single-celled, lacking nucleus C. multicellular, lacking nucleus D. single-celled, has nucleus

Question 2 of 31
Why were only anaerobic organisms able to live during the first 2 billion years on Earth? A. the atmosphere was cold B. the atmosphere was anoxic C. the atmosphere was hyper-nitrogenous D. the atmosphere was hot

Question 3 of 31
What is an example of a positive relationship between fungi and plants? A. mycorrhizae increase nutrient uptake in the soil B. fungi infecting a potato crop, so that most plants die C. decay of standing or recently felled trees D. infection of stored seeds such as corn

Question 4 of 31
What type of prokaryote obtains its energy from chemical compounds? A. chemotroph B. heterotroph C. photoautotroph D. phototroph

Question 5 of 31
Fungi include all of the following EXCEPT which? A. mushroom B. bacteria C. mold D. yeast

Question 6 of 31
What type of prokaryote obtains its energy from sunlight? A. chemotroph B. heterotroph C. phototroph D. chemoautotroph

Part 2 of 8 – Chapter 14
Question 7 of 31
Which of the following are NOT an example of a fruit? A. berries B. string beans C. samaras D. pine cones

Question 8 of 31
Mycorrhizae are fungi associated with which plant organ? A. roots B. fruit C. flowers D. leaves

Question 9 of 31
Which of the following are NOT gymnosperms? A. bryophytes B. cycads C. ginkgophytes D. conifers

Question 10 of 31
Which of the following plants lack seeds? A. monocots B. mosses C. angiosperms D. gymnosperms

Question 11 of 31
Bryophytes include all the following EXCEPT? A. mosses B. liverworts C. hornworts D. club mosses

Question 12 of 31
Eudicots typically have all but which of the following? A. a tap root with lateral roots B. seedlings with 2 cotyledons C. vascular tissue scattered in the stem D. leaves with a network of branched veins

Part 3 of 8 – Chapter 15
Question 13 of 31
The Porifera have glass-like structures in their bodies made of silica which are called what? A. Spicules B. Flagella C. Membranes D. Cilia

Question 14 of 31
What are two defining features of mammals? A. Mammary glands and teeth B. Hair and mammary glands C. Teeth and pneumatic bones D. Hair and pneumatic bones

Question 15 of 31
Most nematodes have a distinct mouth and anus. What type of digestive system do they have? A. incomplete B. convoluted C. non-existent D. complete

Question 16 of 31
What is the name of the two-shell system that clams, oysters, mussels and scallops have? A. double B. nacre C. bivalve D. coiled

Question 17 of 31
Which phylum makes up approximately 85% of the animal kingdom? A. Nematoda B. Echinoderms C. Arthropoda D. Cnidarians E. Amphibia

Question 18 of 31
A spider is not an insect, but is considered what? A. Arachnid B. Scorpion C. Isopod D. Crab E. Trilobite

Part 4 of 8 – Lecture ELF
Question 19 of 31
Which is a good definition for a saprotroph? A. An organism that gains energy from parasitizing other organisms. B. An organism that gains energy from living inside of other organisms C. An organism that gains energy only from the nutrients found in soil D. An organism that gains energy solely from the sun

Question 20 of 31
Which word means that an animal does not have a right or left side, but rather planes dividing the animal can be placed in several planes resulting in a pie structure? A. spherical B. radial C. bilateral D. traditional

Question 21 of 31
The major adaptations of plants to living outside of water include protection of embryos, seeds and which of the following? A. microphylls, use of diffusion for water transport, spores B. flowers, megaphylls, creation of vascular tissue C. long root systems, microphylls, creation of veins D. use of osmosis for water transport, flowers

Part 5 of 8 – Part 3: Lab ELF
Question 22 of 31
Which of the following is best for presenting geographical data? A. Charts B. Tables C. Graphs D. Maps

Question 23 of 31
What is the best practice in formatting spreadsheets? A. Organize data in vertical columns with first row header B. Organize data in vertical columns with first column header C. Organize data in horizontal rows with first row header D. Organize data in horizontal rows with first column header

Question 24 of 31
Which is the best practice for using units of measurement in spreadsheets? A. Include units in spreadsheet name B. Include units in data cell with the numbers C. Include units in separate column D. Include units in the headers

Part 6 of 8 – Lab Material
Question 25 of 31
When does it appear that the domestication of corn first began based on mutation rate between maize and teosinte? A. 76,000 years ago B. 43,000 years ago C. 9,000 years ago D. 25,000 years ago

Question 26 of 31
The genes responsible for branching, seed coat and number of kernels in maize and teosinte are what type? A. hidden gene B. duplicate gene C. complimentary gene D. regulatory gene

Question 27 of 31
What evidence did Dr. Beadle use to support the fact that teosinte was an ancestor of maize? A. teosinte and maize have soft, naked seeds B. teosinte and maize have lots of branching C. teosinte and maize cannot interbreed D. teosinte and maize have similar number of chromosomes

Question 28 of 31
How many genes did Dr. Beadle determine were responsible for a few simple changes in teosinte to produce maize? A. 2 or 3 B. 1 or 2 C. 3 or 4 D. 5 or 6 E. 4 or 5

Question 29 of 31
What type of evidence was archaeologist Dr. Piperno looking for? A. macrofossils B. microfossils C. carbon fumes D. radiocarbon dating

Part 7 of 8 – Lab Essay
Question 30 of 31
In 2-3 sentences, what was the overall purpose of the lab for this week?

Part 8 of 8 – Lab Upload
Question 31 of 31
ase upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided.