Characteristics of life
Living things are made of ___. In multicellular organisms, these are highly ______.
What is cells and organized?
A group of organisms that are from the same species, live in the same area, at the same time.
What is a population?
Organisms that make their own food by photosynthesis or chemosynthesis. Start of every food chain/web.
What is an autotroph/producer?
_____ is very cold and dry. There is a layer of frozen ground called permafrost. There are no trees.
_____ is very cold and has snow. Animals are well adapted and most trees are coniferous.
What is tundra and taiga/boreal forest?
A close relationship between individuals of 2 different species that live together.
What is symbiotic relationship?
Living things are capable of growing ____, even single-celled organisms like bacteria.
What is larger?
A single living thing that belongs to one species.
What is an organism?
Organisms that consume or eat other organisms to get chemical energy as they can't make their own.
What is a heterotroph/consumer?
_____ is very dry and has extreme temperatures- from very hot to freezing cold. Few animals can survive here.
What is desert?
Two lions have just made a great kill and are feasting on a wildebeest.What type of relationship is evident between the lions and the wildebeest?
What is predator and prey?
Living things can respond to things in their internal and external environments.
What is stimuli?
All of the biotic and abiotic factors in an area.
What is an ecosystem?
Only ___ of energy stored as biomass in one trophic level ends up as biomass in the next level.
What is 10%?
_____ has 4 seasons and a lot of rain. Some animals migrate or hibernate in the winter. Most trees are deciduous.
What is temperate forest?
The Egyptian plover bird cleans the teeth of Nile crocodiles, getting a snack. The crocodile is benefited as food stuck in its teeth can cause infection.
What is mutualism?
Living things have chemical reactions occurring all the time- the sum of this is called ________.
What is metabolism?
All of the populations of different species in a given area at the same time.
What is a community?
Energy pyramids are limited to 4 or 5 trophic levels because...?
What is the higher the level, the less biomass and energy available?
_____ is warm all year round. Has heavy rainfall and is incredibly biodiverse with huge numbers of species.
What is tropical rainforest?
Aphids have a long, sharp mouthpiece that they can use to penetrate the stem of plants, and suck up the sap. This reduces the plant's growth.
What is parasitism?
Living things form _____ which can evolve over time. This is possible through the passing on of genetic material from one generation to another.
What is populations?
What is the biosphere?
If only 10% of energy is passed to each trophic level to the next, where does the rest of the 90% go?
What is lost as heat produced during cellular respiration, when an organism dies without being eaten, or is not digested like bones?
_____ have hot summers and cold winters. There are few trees and mostly grasses. There are 2 types: prairies and steppes.
_____ is very warm and has 2 seasons: wet and dry. Large herds of grazers and few trees. Also called the savanna.
What is temperate grassland and tropical grassland?
Some barnacles will attach to the shell of sea turtles where they live and gather food from the moving water. The shell gives them a home, while the sea turtles are unaffected.
What is commensalism?