Across 3 Resources such as oil coal and gas 4 Converted by

Last updated: 5/18/2023

Across 3 Resources such as oil coal and gas 4 Converted by bacteria from a gas to ammonia 7 Breaks down organic matter 9 Many offspring early in life 12 Unchecked reproductive growth 15 A network of all possible combinations of food chains in an ecosystem 17 Community plus abiotic factors 18 An ecosystem characterized by specific plants and animals 19 This element cycles through photosynthesis and cellular respiration 1 20 Factors such as water habitat and number of predators HT Down Clear cutting a forest Zone of life on earth Eats dead materials Few offspring later in life Resources such as timber livestock and sunlight 10 An environmental challenge caused by cars factories and consumption Group of the same species in an area 12568 11 13 Factors such as temperature rainfall and soil 14 Species that can affect the entire ecosystem 16 Factors such as predators and herbivores