No student devices needed. Know more
20 questions
The classification of the species within living organisms from domain to species.
Taxonomic hierarchy
Binomial nomenclature
Dichotomous key
Kingdoms
Smaller and less deep bodies of seawater that are partially enclosed by land.
ocean
eddies
sea
gulf
A marine invertebrate group with pentaradial symmetry and tube feet.
crustaceans
bony fish
zooplankton
echinoderms
A marine invertebrate group with a hard skeleton, ten jointed legs and a nauplius larval stage
crustaceans
zooplankton
echinoderm
bony fish
An organism that plays a unique and crucial role in the way an ecosystem functions
domain
phylum
kingdom
keystone species
What is the economic importance of macroalgae?
food industry
cosmetics
fertilizer
aquaculture
A measure of the species, genetic and ecosystem diversity of different species
biodiversity
species diversity
genetic diversity
ecological diversity
A method to estimate the population size of mobile species
Lincoln index
frame quadrat
Simpson index
Spearman rank
The number of species in a community
evenness
population
richness
family
Which key group of marine organisms does belong in?
zooplankton
macroalgae
echinoderm
crustacean
fish that have a jaw and skeleton made only of cartilage
bony fish
crustaceans
echinoderms
cartilaginous fish
commonly used in marine science to find out if there is a correlation between two sets of variables
Lincoln index
Simpson index
scatter graph
Spearman's rank
Competition between individuals of the same species
Predation
intra-specific competition
inter-specific competition
The abundance and richness of a species in a given place.
biodiversity
species diversity
genetic diversity
ecological diversity
Marine producers such as kelp and seaweed
plankton
zooplankton
marine grasses
macroalgae
The variety of forms of genes (alleles) within a species
biodiversity
species diversity
genetic diversity
ecological diversity
The role of a species within an ecosystem
habitat
niche
ecological diversity
The variation of ecosystems or habitats on a regional or global level
biodiversity
species diversity
genetic diversity
ecological diversity
The living organisms and the environment with which they interact
habitat
niche
biotic
ecosystem
Planktonic consumers that are either floating or weakly swimming animals
meroplankton
holoplankton
zooplankton
plankton
Explore all questions with a free account