Key Vocab
Plankton
Food Webs and the Flow of Energy
Producers and Consumers
100

An organism that makes its own food by photosynthesis or chemosynthesis

autotroph

100

Which plankton is larger, dinoflagellate or foraminifera?

foraminifera

100

 Name an animal that is secondary consumer in this food web.

small fish

snails

prawns 

100

The top predator in a food web is called this

apex predator

top consumer

200

Drifting or weakly swimming organisms suspended in water.

plankton

200

The most abundant type of phytoplankton in the ocean are these

diatoms

200

What percentage of energy or biomass makes it from one trophic level to the next?

10%

200

Initial consumer of primary producers. The consumers of autotrophs, the second level in food webs

primary consumer

300

One of a class of microscopic single-celled flagellates, not all of which are autotrophic. Planktonic dinoflagellates are responsible for “red tides”

dinoflagellate

300

What type of plankton is this?

copepod

300

Which direction do arrows point on a food web?

In the direction of who gains energy

from what gets eaten to the eater


300

Autotrophs are always this level of the food chain

Producers

400

This type of plankton gets larger than 1 cm. Provide an example

macroplankton, jellyfish

400

What type of plankton is this?

diatom

400

90% of all energy lost between trophic levels is lost to what?

heat

400

Anything that gains energy from eating something else is called...

Heterotroph

500

The planktonic phase of the life cycle of organisms that spend only part of their life drifting in the plankton.

meroplankton

500

Which type of zooplankton is a keystone species because it is food for all types of animals including fish, birds, and even some whales.

krill

500

What is it called when neurotoxins become more concentrated as you move up the food chain?

biomagnification

500

RANDOM: What is one difference between plants and seaweed?

They don't have roots, stems or true leaves

Seaweeds have blades, bladders and holdfasts