My Crossword Maker Logo
Powered by BrightSprout
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Chapter 19 Vocabulary

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Across
3
a table showing the life expectancy of a population member based on its age
6
the statistical study of changes in populations over time
7
a species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an ecological community’s structure
8
an organism a parasite lives on
10
the maximum number of individuals of a population that can be supported by the limited resources of a habitat
11
an adaptation in which an organism looks like another organism that is dangerous, toxic, or distasteful to its predators
13
the study of life on island chains and how their geography interacts with the diversity of species found there
14
the first species to appear in primary and secondary succession
16
the steady population size where birth rates and death rates are equal
18
the competition among members of the same species
20
the shape of a logistic growth curve
21
the number of different species in a community
22
the succession on land that previously has had no life
23
the number of births within a population at a specific point in time
24
an accelerating growth pattern seen in populations where resources are not limiting
Down
1
a symbiotic relationship between two species where both species benefit
2
a square within which a count of individuals is made that is combined with other such counts to determine population size and density in slow moving or stationary organisms
4
the leveling off of exponential growth due to limiting resources
5
a species which often forms the major structural portion of the habitat
9
the succession in response to environmental disturbances that move a community away from its equilibrium
12
a method used to determine population size in mobile organisms
15
the distribution of the proportion of population members in each age class
17
an organism that uses resources from another species: the host
19
the number of deaths within a population at a specific point in time