Population Ecology - Biology only
Authored by Cathy Washington
Science
9th Grade
NGSS covered
Used 20+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The mortality rate of organisms following a type I survivorship curve is __________.
fairly constant throughout life
higher in post-reproductive years
lower after the organisms become established
unrelated to age
Tags
NGSS.MS-LS4-4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Animals such as pandas are long lived, mature slowly, and generally produce fewer offspring during their life spans but place a greater investment in each. What term is applied to this type of reproductive strategy?
K-strategy
r-strategy
Tags
NGSS.MS-LS1-4
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which contribute to a positive population growth?
immigration
positive birth rate
emigration
positive death rate
Tags
NGSS.HS-LS4-5
NGSS.HS-LS4-2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is NOT an outcome of high population density?
mortality increase
predators tend to ignore prey that is overabundant
reduction in births
decreased resource availability
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following describes the population of elephants in Kenya from 1973-1989?
(immigration + births) – (emigration + deaths) = 0
(immigration + births) – (emigration + deaths) = 1
(immigration + births) – (emigration + deaths) < 0
(immigration + births) – (emigration + deaths) > 0
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of factor has an increasing impact as the population size increases?
density-independent
density-dependent
cohort effect
survivorship factor
Tags
NGSS.MS-LS2-4
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Which of the following are density dependent factors?
competition for resources
predation
disease
natural disasters
Tags
NGSS.MS-LS2-4
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