other factors such as food availability, water currents, and protection from predators In aquatic habitats, water quality determines if an organism can live in a water body, but 14. Macroinvertebrates also often show a patchy distribution within habitats (Tab plants, rocks, and reefs provide structural complexity and tend to increase the species determine where different species are found within aquatic ecosystems. Objects such as have been placed off the coast of South Carolina and other states to support marine fish richness and species diversity in nearby areas. For example, numerous artificial reefs populations. The destruction of reefs and other underwater structures is one of the reasons that bottom trawling is so devastating to fish populations. Classification Habitat Description Live on the surface of the water (Example: water striders) Live in the open water or float just below the surface (Example: mosquito larvae, phantom midges) motion to quickly swim to the surface to breath or escape predators. (Example: Generally feed among submerged plants, but can move hind legs in a "rowing" diving beetles, water boatmen) Cling to plants or rocks underwater, but can swim in a fish-like motion (Example: damselflies, fast-water mayflies) Live at the surface of leaves of aquatic plants or on top of silty materials (Example: caenid mayflies) Live on aquatic plants or other submerged objects such as wood or roots (Example: dragonflies) Live in small burrows made in the sediments at the bottom of ponds (Example: midges) Table 1. Classification of pond macroinvertebrates by preferred microhabitat. Modified from Cummins et al. 2008. uestion: Is there a difference in species type / abundance in the difference pond crohabitats (for ex., vegetated bottom versus bare substrate bottom)? Skaters Planktonic Divers Swimmers Sprawlers Climbers Burrowers w would you test this? Describe an experimental design that uses all the og of the scientific method you have learned this semester:

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In aquatic habitats, water quality determines if an organism can live in a water body, but
14. Macroinvertebrates also often show a patchy distribution within habitats (Table 1).
other factors such as food availability, water currents, and protection from predators
plants, rocks, and reefs provide structural complexity and tend to increase the species
determine where different species are found within aquatic ecosystems. Objects such as
richness and species diversity in nearby areas. For example, numerous artificial reefs
populations. The destruction of reefs and other underwater structures is one of the
have been placed off the coast of South Carolina and other states to support marine fish
reasons that bottom trawling is so devastating to fish populations.
Classification
Skaters
Planktonic
Divers
Cling to plants or rocks underwater, but can swim in a fish-like motion
(Example: damselflies, fast-water mayflies)
Live at the surface of leaves of aquatic plants or on top of silty materials
(Example: caenid mayflies)
Live on aquatic plants or other submerged objects such as wood or roots
(Example: dragonflies)
Live in small burrows made in the sediments at the bottom of ponds (Example:
midges)
Table 1. Classification of pond macroinvertebrates by preferred microhabitat. Modified from Cummins et al. 2008.
Question: Is there a difference in species type / abundance in the difference pond
microhabitats (for ex., vegetated bottom versus bare substrate bottom)?
Swimmers
Sprawlers
Climbers
Burrowers
Habitat Description
Live on the surface of the water (Example: water striders)
Live in the open water or float just below the surface (Example: mosquito
larvae, phantom midges)
Generally feed among submerged plants, but can move hind legs in a “rowing”
motion to quickly swim to the surface to breath or escape predators. (Example:
diving beetles, water boatmen)
ow would you test this? Describe an experimental design that uses all the
rinciples of the scientific method you have learned this semester:
Hypothesis:
Prediction:
87
Transcribed Image Text:In aquatic habitats, water quality determines if an organism can live in a water body, but 14. Macroinvertebrates also often show a patchy distribution within habitats (Table 1). other factors such as food availability, water currents, and protection from predators plants, rocks, and reefs provide structural complexity and tend to increase the species determine where different species are found within aquatic ecosystems. Objects such as richness and species diversity in nearby areas. For example, numerous artificial reefs populations. The destruction of reefs and other underwater structures is one of the have been placed off the coast of South Carolina and other states to support marine fish reasons that bottom trawling is so devastating to fish populations. Classification Skaters Planktonic Divers Cling to plants or rocks underwater, but can swim in a fish-like motion (Example: damselflies, fast-water mayflies) Live at the surface of leaves of aquatic plants or on top of silty materials (Example: caenid mayflies) Live on aquatic plants or other submerged objects such as wood or roots (Example: dragonflies) Live in small burrows made in the sediments at the bottom of ponds (Example: midges) Table 1. Classification of pond macroinvertebrates by preferred microhabitat. Modified from Cummins et al. 2008. Question: Is there a difference in species type / abundance in the difference pond microhabitats (for ex., vegetated bottom versus bare substrate bottom)? Swimmers Sprawlers Climbers Burrowers Habitat Description Live on the surface of the water (Example: water striders) Live in the open water or float just below the surface (Example: mosquito larvae, phantom midges) Generally feed among submerged plants, but can move hind legs in a “rowing” motion to quickly swim to the surface to breath or escape predators. (Example: diving beetles, water boatmen) ow would you test this? Describe an experimental design that uses all the rinciples of the scientific method you have learned this semester: Hypothesis: Prediction: 87
Expert Solution
Step 1: Macroinvertebrate

Macroinvertebrates are animals without vertebrae that are large and adequate to be glimpsed with the naked eye. They can be found in rivers that move slowly with muck or fast-moving alpine streams. Aquatic macroinvertebrates include crayfish, clams, snails, worms, and insects in their larval or nymphal stages.

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