SCIENCE OERs for K-12 in MAINE

MAINE SCIENCE LEARNING RESULTS

B Tech Design & Scientific Inquiry

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1. Biodiversity

2007  MLRs


E.      The Living Environment:  Students understand that cells are the basic unit of life, that all life as we know it has evolved through genetic transfer and natural selection to create a great diversity of organisms, and that these organisms create interdependent webs through which matter and energy flow. Students understand similarities and differences between humans and other organisms and the interconnections of these interdependent webs.

E1  Biodiversity

Performance Indicators & Descriptors

 

Pre-K-2

3-5

6-8

9-Diploma

 

 

Students describe similarities and differences in the observable behaviors, features, and needs of plants and animals.

 

a.       Describe similarities and differences in the way plants and animals look and the things that they do.    CTS Biological Classification p. 118


b.      Describe some features of plants and animals that help them live in different environments.

CTS Habitats and Local Environments p. 130


c.       Describe how organisms change during their lifetime.  CTS Reproduction, Growth and Development (Life Cycles) p. 155

   

Students compare living things based on their behaviors, external features, and environmental needs.

 

a.       Describe how living things can be sorted in many ways, depending on which features or behaviors are used to sort them, and apply this understanding to sort living things.       CTS  Biological Classification p. 118



b.      Describe the changes in external features and behaviors of an organism during its life cycle.  CTS Reproduction, Growth and Development (Life Cycles) p. 155

 

Students differentiate among organisms based on biological characteristics and identify patterns of similarity.

 

a.       Compare physical characteristics that differentiate organisms into groups (including plants that use sunlight to make their own food, animals that consume energy-rich food, and organisms that cannot easily be classified as either).  CTS  Biological Classification p. 118,  CTS Fungi and Mircroorganisms p. 120


b.      Explain how biologists use internal and external anatomical features to determine relatedness among organisms and to form the basis for classification systemsCTS  Biological Classification p. 118


c.       Explain ways to determine whether organisms are the same species.

CTS  Biological Classification p. 118


d.      Describe how external and internal structures of animals and plants contribute to the variety of ways organisms are able to find food and reproduce.

CTS Characteristics of Living Things p. 119


Students describe and analyze the evidence for relatedness among and within diverse populations of organisms and the importance of biodiversity.

 

a.       Explain how the variation in structure and behavior of a population of organisms may influence the likelihood that some members of the species will have adaptations that allow them to survive in a changing environment.

CTS Biological Evolution p. 148


b.      Describe the role of DNA sequences in determining the degree of kinship among organisms and the identification of species.

CTS Variation p. 156, CTS  and CTS Biological Evolution p. 148 and CTS  Biological Classification p. 118


c.       Analyze the relatedness among organisms using structural and molecular evidence.

CTS  Biological Classification p. 118


d.      Analyze the effects of changes in biodiversity and predict possible consequences.   CTS Biodiversity p. 117










  

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