Random
Made up of many food chains
Food web
Fleas and mosquitoes feed on blood from other organisms.
Parasitism
Living things in an ecosystem is called
Biotic factor
Organisms that eat plants only
Herbivore
Source of Phosphorous
Rocks
Name 2 abiotic factor
temperature, air, sunlight, water, rock, etc.
Lion eats deer, which is predator which is prey.
Predator lion, prey deer.
What is all of one kind of a species that lives in an ecosystem?
Population
Organisms that make their own food is called
Autotroph
Chemical reduction process that converts nitrates (NO3–) into nitrogen gas (N2)
Denitrification
Any liquid or frozen water that forms in the atmosphere and falls back to the Earth.
Precipitation
When a fruit bat eats the fruit from a fig tree, it eats the seeds as well. These seeds are dispersed through the bat’s droppings.
Mutualism
Different population living in a certain space at a certain time is called
An organism that get its nutrition by eating producers
Primary consumer
The evaporation of water from plants occurring at the leaves while their stomata are open for the passage of CO2 and O2 during photosynthesis.
Transpiration
Identify the five kingdoms of life
Plants, Animal, Fungi, Bacteria, Protist
Sea otters eat a variety of sea creatures, including sea stars, clams and octopus
Predation
Living part of the earth
Biosphere
The model shows the flow of energy from one trophic, or feeding, level to the next in an ecosystem. It has a wide base and a pointed top.
Energy pyramid
How is phosphorous and nitrogen important to the human body?
Building blocks of life. Cells. DNA. RNA. Protein
Name 5 characteristics of living things
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition
Many weeds create spiky burrs that attach to an animal’s hair or fur. As the animal travels, these burrs fall off, successfully dispersing the plant’s seeds.
Commensalism
Describe 4 ways how population change?
Immigration, Emigration, Birth, Death
How much energy is transferred from one trophic to another?
10%
Conversion of ammonium ions into nitrites (NO2–) and nitrates (NO3–) by nitrifying bacteria in the soil.
Nitrification