Food Webs/Food Chains
What's more realistic: a food web or a food chain?
Food Web
Name one factor that we use to characterize a biome.
Temperature or Precipitation
What is the transition zone between rivers and the ocean?
Estuary
List the three types of interactions in an ecosystem.
Mutualism, commensalism, parasistism
What is a habitat?
When an organism lives
It's lost as heat
What biome has the most rainfall and poorest soil?
Tropical Rainforest
Name on factor to describe an aquatic biome by.
Light availability, salinity, pH, temperature, nutrients/grass.
What is interspecific competition?
Competition between the different species.
1 kcal of energy
Apex Predator, Tertiary Consumer
What does NPP stand for?
Net Primary Productivity
The most productive aquatic ecosystems have what two qualities?
Exposure to light, supply of nutrients
What do we call it when there is removal of the top predators and the subsequent changes to the rest of the ecosystem?
Trophic Cascade
What do we call all the living and non-living components in an area?
Ecosystem
What are the two processes called that distribute energy within an ecoystem?
Cellular Respiration and Photosynthesis
Which biome has the more NPP? Tropical Grassland or Temperate Grassland?
Tropical Grassland
List 2 threats to marine habitats.
Nutrients from land, increasing acidity, new arrivals, sea level rise, sediment from land, extinction
What do we call the species that when removed, the ecosystem's health declines?
Keystone Species
What biome is mid-latitude with moderate rainfall that has dramatic appearance all four seasons?
Temperate Deciduous
Draw a food web with at least 6 organisms.
Answers will vary.
What are some impacts of climate change in biomes?
Plants have extended growing periods, animals migration patterns are changing.
What is the most productive aquatic system?
Swamps and Marshed
What do we call the actual niche of a species?
Realized niche
Describe producers, consumers, herbivores, omnivores, and carnivores.
Answers will vary.