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Brooks Biodiversity Unit 2 Exam Questions and Answers 100% Solved
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Kingdom Fungi - ANSWER_-Decomposers -Heterotrophs -Saprobes or symbionts -Chitin-based cell wall 1. General morphology a. Thallus b. Hyphae c. Haustoria 2. Reproduction a. Heterokaryon b. Karyogamy 3. Spores (Dispersion and survival) 4. Classification Fungi - ANSWER_important as deco...

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  • March 26, 2024
  • 10
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • brooks biodiversity unit 2 exam questions and answ
  • brooks biodiversity unit 2 exam questions stuvia
  • kingdom fungi answer decomposers heterotrophs

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Brooks Biodiversity Unit 2 Exam
Questions and Answers 100% Solved

Kingdom Fungi - ANSWER_-Decomposers
-Heterotrophs
-Saprobes or symbionts
-Chitin-based cell wall
1. General morphology
a. Thallus
b. Hyphae
c. Haustoria
2. Reproduction
a. Heterokaryon
b. Karyogamy
3. Spores (Dispersion and survival)
4. Classification

Fungi - ANSWER_important as decomposers/recyclers. One of the earliest multi-
celled eukaryotes.

Decomposers - ANSWER_natural recycling of organic material

Most successful domain on the planet - ANSWER_Bacteria

What are fungus most closely related to? - ANSWER_Fungi have cell walls and
fruiting bodies, so were originally thought to be plants. However, they are most
closely related to animals

Fungus (Ex. Penecillin) - ANSWER_The first cures for bacterial diseaese came
from?

Extracellular Digestion - ANSWER_The release of exoenzymes outside of the cell
wall, followed by the absorption of nutrients so digestion can begin

Chitin - ANSWER_exoskeleton of anthropods and cell walls of fungus

Thallus/Mycelium - ANSWER_Fungus body.
Consists of microscopic hyphae
Haploid

Saprobes - ANSWER_Fungi that feed on non-living/dead organisms

Symbionts - ANSWER_Fungus that lives with another living organism (form a
symbiotic relationship)

, Hyphae - ANSWER_filaments (long,branching, thread-like) that make up the
structure of a fungus
In most fungi, hyphae are the main mode of vegetative growth and source of nutrition
are Septate or Coenocytic
Haploid

Septate Hyphae - ANSWER_individual cells separated by a cell wall and cell
membrane
Haploid

Coenocytic - ANSWER_One big cell with many nucleus, like Plasmodium stage
Haploid

Haustoria - ANSWER_Feeding structures that release exoenzymes and absorb
nutrients.

The mushroom with a stalk and cap is a? - ANSWER_Sexual Biproduct

Syngamy - ANSWER_Fertilization.
Initiated, but not completed before Mitosis.
2 parts:
1. Plasmogamy
2. Karyogamy

Plasmogamy - ANSWER_fusion of cytoplasm
first part of syngamy
(n+n)

Karyogamy - ANSWER_fusion of nuclei
completion of syngamy
(2n)

Dikaryotic stage - ANSWER_temporary stage during sexual reproduction before the
fusion of nuclei
(n+n)

Heterokaryon - ANSWER_One cell with two different nuclei.
Occurs in all eukaryotes.
Also called Dikaryotic stage
Even though something is dikaryotic, doesn't mean it's a heterokaryote. For
example, the number of nuclei. Heterokaryon can have more than two nuclei,
however dikaryon is precisely two.

Fungus Life Cycle - ANSWER_

Diploid (2n) - ANSWER_Advantages: two chances for cell to work and genetic
variation
May engage in Meiosis

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