Name: _________________________ 1.4.5 Environmental Factors Worksheet Environmental factors that affect organisms Abiotic These are ________________________________ Biotic These are ________________________________ Climatic These are the _____________________________ that affect the community in an ecosystem Edaphic These refer to the _______________ Abiotic factors These are the ______________________________ of an ecosystem (i.e. the ________________ and ________________ conditions) that affect the community. Abiotic factors include: • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ and other plant nutrients Abiotic factors in a woodland Page 1 of 3 Name: _________________________ Biotic factors These are the ___________________ of an ecosystem that affect the other members of the community. Biotic factors include: • ___________________for food and shelter • ___________________ • ___________________ • ___________________and ___________________ • ___________________ • ___________________ • ___________________ Climatic factors These are elements of the ___________________________ that influence the ______________________________________of the organisms that live in a particular environment. Climatic factors include: • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ (including seasonal variations) • ___________________ Edaphic factors These are the ____________________________________________________ characteristics of the soil that influence the community. Edaphic factors include: • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ • ___________________ Page 2 of 3 Name: _________________________ Aquatic Environmental Factors The following are also considered as factors: • ___________________ • ___________________ • ___________________ Need to know • Define and give examples of the following as applied to terrestrial (land) and aquatic (water) environments: • Abiotic • Biotic • Climatic • Edaphic factors END Page 3 of 3