
Concept explainers
To explain:
The definition of ecology, population and ecosystem.
Introduction:
The ecosystem consists of interaction between species and abiotic factors. The environment is made of two types of factors: biotic factors which include living organism and an abiotic factor which includes nonliving things.
To explain:
The ways in which gopher and mole compete for food.
Introduction:
The place where species can get food and fulfill their needs is called habitat. According to competitive exclusion principle, two species cannon coexist in the same habitat. In this case, species need to compete with other for food.
To explain:
The ways in which monkeys are able establish dominance in a group.
Introduction: The organism in species having better availability of the
To explain:
The way in which pollution harms crop plants.
Introduction: The pollution is increases in unwanted and harmful substances in the environment which leads to destruction of biodiversity and other resources. Crops are generally affected by pollution caused by synthetic pesticides and fertilizers.

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Chapter 19 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
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