termonology

Question 1

Photoautotrophs

Answer 1

light is energy source, CO2 is
carbon source

Question 2

Chemoautotrophs

Answer 2

inorganic chemicals are
energy source (eg., hydrogen sulfide), CO2 is
carbon source

Question 3

Chemoheterotrophs

Answer 3

organic compounds are
energy source (eg., glucose) and carbon source

Question 4

Obligate aerobes

Answer 4

use O2 for cellular respiration
and cannot grow without it

Question 5

Obligate anaerobes

Answer 5

poisoned by O2 (may use
other substrates or anaerobic processes eg.,
fermentation)

Question 6

Facultative anaerobes

Answer 6

use O2 if present but
can also respire in anaerobic environments

Question 7

Biofilms

Answer 7

metabolic cooperation between different types of prokaryotic species

Question 8

Extreme halophiles
Extreme thermophiles
Methanogens
(in archaea)

Answer 8

highly saline environments

very hot environments

release methane as a
byproduct

Question 9

Sporophyte

Answer 9

multicellular diploid form of the plant body

Question 10

Gametophyte

Answer 10

structure that produces haploid gametes in plants

Question 11

Sporangium

Answer 11

structure where meiosis occurs and haploid spores develop

Question 12

Antheridia

Answer 12

structure where gametes develop in male structures of plants

Question 13

Archegonia

Answer 13

structure where gametes develop in female structures of plants