Photosynthesis
Taxonomy
Phytoplankton
Organismal Relationships
Food Webs
100

Where in the cell does photosynthesis occur?

In the chloroplast

100

Which term refers to similarity between organisms that results from common ancestry?

Homology

100

Which is the prokaryotic group of phytoplankton?

Cyanobacteria

100

What do we call a symbiotic relationship that benefits the symbiont at the expense of the host?

Parasitism

100

What do we call organisms that feed on the primary producers?

Herbivores

200

What is the primary photosynthetic pigment?

Chlorophyll

200

Which level of taxonomic organization is the most specific?

Species

200

Double Jeopardy

Which enzyme catalyzes the reaction bacteria perform to fix nitrogen?

200

What do we call a symbiotic relationship that benefits the symbiont and the host?

Mutualism

200

What do we call organisms that use photosynthesis to build high-energy molecules?

Autotrophs

300

What are the two consecutive sets of reactions that occur during photosynthesis?

Light reactions & Dark reactions

300

Which level of taxonomic organization is more specific than phylum but less specific than order?

Class

300

Of which phylum of phytoplankton are some organisms bioluminescent?

Dynophytes

300

What do we call a symbiotic relationship that benefits the symbiont with no apparent effect on the host?

Commensalism

300

What do we call a species that has a greater impact on an ecosystem than their abundance would suggest?

Keystone species

400

What do we call pigments that absorb light energy and transfer it to chlorophyll for photosynthesis?

Accessory pigments

400

What term refers to a group of closely related organisms?

Taxon

400

Which phytoplankton use flagella for movement against ocean currents?

Dynophytes

400

What event occurs when coral lose their symbiotic dinoflagellates?

Coral bleaching

400

Double Jeopardy

Define 'carrying capacity'

500

What are the primary producers of the marine environment?

Phytoplankton

500

To what domain do humans belong?

Eukaryota

500

What is one of the three phyla of phytoplankton characterized by hard structures supported by mineralized cell walls or internal skeletons made of silica or calcium carbonate?

Diatoms, Silicoflagellates, or Coccolithophores

500

What term describes the evolutionary pressure favoring traits that help an organism survive and reproduce?

Fitness

500

What is the term for organisms living in the epifauna and infauna?

Benthos