![]() Constantly changing Which of the following are true with regard to mangroves? They help to stabilize shorelines, they grow in salt water, and their forests serve as critical nursery grounds for many crustaceans and fish. ![]() Thermocline The environmental conditions and community inhabitants of stream systems are _ as one moves downstream. Warm cold Why are freshwater ecosystems biologically important? They support terrestrial communities and they support high levels of biodiversity What are the two descriptions that define a wetland? It has vegetation adapted to grow in wet conditions and the land surface is saturated at least part of the year A(n) _ is a sharp temperature boundary in a large body of water such as a lake. Depressions in a rocky shoreline that are flooded during high tide but retain water during low tide and filled with numerous intertidal organisms At a thermocline in a lake you would find _ water above it and _ water below it. Freshwater ecosystems are important to survival of some terrestrial species Tide pools are _. Wave-blasted shorelines Which of the following are true with regard to mangroves? They help to stabilize shorelines, Their forests serve as critical nursery grounds for many crustaceans and fish, and they grow in salt water In Arizona, most birds gather in trees and bushes surrounding the few available rivers and streams. True What is the greatest threat to coral reefs? Global warming, which causes coral bleaching Which of the following are characteristics of coral reefs? Coral polyps live symbiotically with photosynthetic algae and reefs are colonies of minute, colonial animals Where are sea grass beds generally found? Shallow, warm sandy coastlines Tide pools are found along _. ![]() Coral True or false: Sea-grass beds support rich communities of organisms in the ocean. Epipelagic zone, Mesopelagic zone, Bathypelagic zone, Abyssal zone and Hadal zone Colonial animals that live symbiotically with photosynthetic algae are known as _ reefs. Are the base of the marine food web, activity is the greatest near coastlines and include tiny, free-floating plants Which of the following is a threat to the rich, diverse communities found in the coastal zone? Excess nutrient runoff from land, Destructive fishing methods, Trash and sewage and introduced pathogens and predators Rank the following zones from shallow (on top) to deep. A treeless landscape occurring at high latitudes Which of the following are characteristics of coral reefs? Coral polyps live symbiotically with photosynthetic algae and reefs are colonies of minute, colonial animals An area known for hot, dry summers and cool, moist winters would most likely be a _ biome. Littoral zone, intertidal zone and continental shelf Select the best definition for the term tundra. They have only a short summer season for growing and of the cold temperatures Rank the following ocean communities from the farthest inland at the top to the farthest out to sea at the bottom. Phytoplankton Boreal forest trees are slow-growing because _. Moist and moderately warm can range significantly Tiny, free-floating, photosynthetic plants in the ocean are called _. ![]() Grasses and lichens frost The climate conditions in temperate deciduous forests are_, whereas they _ in temperate coniferous forests. In a tundra, vegetation includes _, and _ can occur any month of the year. Temperate shrubland Deciduous trees trees that lose their leaves seasonally evergreen trees trees that are cone bearing Why have large portions of grasslands been converted to farmlands? They have nutrient-rich souls desirable for agriculture. A nutrient-rich soil Which of the following is not a characteristic of a tropical seasonal forest? Dry year-round An area known for hot,dry summers and cool, moist winters would most likely be a _ biome. False Which of the following characteristics produce a temperate scrubland? Cool, moist winters and Hot season coincides with a dry season Which of the following characteristics allow plants to survive in the desert? Thick epidermal layers, Water-storing capacity and salt tolerance Deep-rooted plants and the annual winter accumulation of dead leaves on the surface in grasslands help to create_, which is very important for productive farmland, and explains why grasslands are often converted to farm land. True or False: All deserts have spars vegetation and low species diversity.
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