Biology 1407 final hutchinson Blinn College Questions and Answers

Biology 1407 final hutchinson Blinn College Questions
and Answers

Question 1.
produced in megasporangium on megasporophyll; develops into female gametophyte
Correct Answer: Megaspore


Question 2.
Pros of specialization of cells
Correct Answer: Increased efficiency of certain functions


Question 3.
Human modifications of other species by selecting and breeding indiviuals with desirable
traits
Correct Answer: Articial selection


Question 4.
Primary endosymbiosis led to
Correct Answer: photosynthetic eukaryotes


Question 5.
Pangaea fully divided into Gondwana and Laurasion. -Dinosaurs are dominant terrestrial
group
Correct Answer: Jurassic period


Question 6.
A succession of multicellular haploid and diploid phases in some sexually reproducing
organisms.. particularly plants [SLIDE 47]
Correct Answer: Alternation of Generations


Question 7.
Extend branching hyphae through root cell wall into invaginations of root cell plasma
membrane
Correct Answer: Arbusucular mycorrhizal fungi


Question 8.
Ch. 38....
Correct Answer: ....


Question 9.
Group of pops. whose members have the potential to interbreed in nature and produce
viable, fertile offspring- but do not produce viable, feritle offspring
Correct Answer: Biological species concept


Question 10.
Haploid nuclei from mycelium pair up but do not fuse

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,Correct Answer: heterokaryon


Question 11.
Heat source is external enviroment
Correct Answer: Ectotherms


Question 12.
What are the two kinds of spores that seed plants have?
Correct Answer: 1. Megasporangium which produces megaspores 2.
Microporangium produces microspores


Question 13.
After plasmogamy, nuclei from two different parent mycelia fuse
Correct Answer: Karyogamy


Question 14.
Most commonly seen fungi-mushrooms that decompose dead organic matter
Correct Answer: Phylum Basidiomycota


Question 15.
Symbiotic interaction where on participant benefits and the other is unaffected
Correct Answer: Commensalism (+,0)


Question 16.
Change of allele frequency over time
Correct Answer: Evolution


Question 17.
modified leaf of angiosperm that contains one or more ovules
Correct Answer: carpel


Question 18.
Cells specialized to move water and minerals
Correct Answer: Xylem


Question 19.
stalk that holds up pollen-producing sac
Correct Answer: filament


Question 20.
Cells specialized to move sugars, amino acids, other organic products
Correct Answer: Phloem


Question 21.
mate choice; member of one sex selects a male from the opposite sex
Correct Answer: intersexual selection

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, Question 22.
Cons of multicellularity
Correct Answer: More need for nutrients, tough to move nutrients


Question 23.
Largest gymnosperm phylum Most evergreen
Correct Answer: Phylum coniferophyta


Question 24.
Most have elevated gametophytes that resemble miniature trees
Correct Answer: Phylum Marchantiophyta


Question 25.
Internal distribution of materials
Correct Answer: Circulatory system


Question 26.
Locomotion and other movement
Correct Answer: Muscular


Question 27.
Thin layer of sporophyte tissue
Correct Answer: integument


Question 28.
Lamark folly
Correct Answer: Use and disuse Inheritance of acquired charactersitics


Question 29.
Sources of Genetic Variation
Correct Answer: 1. Mutation-most 2. Gene duplication 3. Sexual Reproduction


Question 30.
Inherited characteristics of organisms that enhance survival and repoduction in a given
environment
Correct Answer: Adaptations


Question 31.
Groups of Amoebozoans
Correct Answer: -Loboseans -Slime molds


Question 32.
Monotypic Phylum- represented by one species
Correct Answer: Ginkgophyta



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