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Dinoflagellates and How Populations change Flashcards | StudBud
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Dinoflagellates and How Populations change
Dinoflagellates and How Populations change
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High School Marine Biology Quiz on dinoflagellates and how populations change
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Dinoflagellates are classified in the phylm Pyrophyta which means
fire algae
light algae
water algae
glowing algae
2
Population dynamics refers to no change over time
False
True
3
Individuals of a population must differ in some trait important for survival for natural selction to occur
False
True
4
What are changes that enable an animal to survive in certain circumstances
adaptations
evolutionary aspects
competition
natural selection
5
A group of protists that are found near the surface of the ocean that are capable of movement
dinoflagellates
cyanobacteria
all of the above
diatoms
6
The process by which living things obtain food is called
carnivore
Feeding
Nutrition
herbivore
7
The selection of favorable traits to be bred into offspring is called
evolution
natural selection
none of the above
artificial selection
8
Limiting factors can influence population
True
False
9
Several conditions are necessary for natural selection to occur
False
True
10
A species that is well adapted will survive and have less offspring
True
False
11
More than half the oxygen on Earth comes from the Ocean.
True
False
12
Red tides are good for the ecosystem
False
True
13
In a balanced environment limiting factors keep populations at a balanced level
False
True
14
Autotrophs make food and heterotrophs must eat food
False
True
15
The theory an organism best suited to its environment is more likely to reproduce is called
evolution
none of the above
natural selection
artificial selection
16
A group of individuals of a species that live in a particiular area
species
group
community
population
17
Evolution is change over time
False
True
18
Traits must be heritable. (transmitted from one generation to the next)
False
True
19
The number of individuals in a population
population distribution
population density
population size
age structure
20
Some Dinoflagellate produce their own light by the process called
light reactions
bioluminescence
photosynthesis
chemical pores
21
If there is overproduction of offspring natural selection will not occur
True
False
22
If limiting factors are removed the population is not affected
False
True
23
Dinoflagellates undergo photosynthesis and make their own food from the Sun, CO2, and H2O
True
False
24
Dinoflagellates have what to aide in movement
flagella
arms
cillia
fins
25
The cell theory is
all living things are composed of one or more cells
cells come from other cells
all of the above
cells perform all life functions
26
There are three types of population distribution: uniform, clumped and random
True
False
27
There must be no differences in success of reproduction based on a trait for natural selection to occur
False
True
28
The two forms of nutrition are autotrophic and heterotrophic
False
True
29
The cell theory has three parts.
False
True
30
Dinoflagellates can make their own food
True
False
31
In the ocean dinoflagellates get the CO2 directly from the ocean water
False
True
32
What do dinoflagellates have to aide in photosynthesis
all of the above
flagella
Cell wall
eye spot
33
Dinoflagellates are producers but not consumers
True
False
34
The number of individuals in a population per unit area
population density
population distribution
population size
age structure
35
The relative numbers of individuals in each age of a population
population distribution
population size
age structure
population density
