Name___________________

Block______Date__________

LICHENS

1. Read the two paragraphs about lichens on page 66 of the Microorganisms, Fungi, and Plants book.

2. This tells you that lichens are made of a fungus and an alga that grow together. It could also be a fungus and an autotrophic bacteria living together in a mutualistic relationship. (Use the index for this one)

A. "Autotroph" is another word for "producer". Define "producer." (see page 9) _______________________________________________________________

_______________________________________________________________

B. What does "mutualism" mean? (page 56) _____________________________ _______________________________________________________________

3. The lichen produces its own food through _____________________ .

4. Lichens are called "pioneer" organisms because they can even grow on rocks and in deserts. How do lichens help other organisms live in a new area? ______________________________________________________________

______________________________________________________________

5. Lichens are easily affected by _____ ___________________ and help scientists to measure _____ _____________ .

MYXOMYCETES

1. Use images on pages 48 and 49 and read page 58 of the Microorganisms, Fungi, and Plants book to answer the following questions.

2. What kingdom do slime molds (myxomycetes) belong to? _____________

3. Slime molds (myxomycetes) are heterotrophs. How do they get energy?

_______________________________________________________________

4. Where do slime molds (myxomycetes) usuaaly live? _______________________________________________________________

5. When environmental conditions are stressful, slime molds make spores. What can spores DO? ____________________________________________________________

INSECTS

1. Read pages 40-45 of the Animals textbook.

2. Insects are invertebrates which means that they do NOT have a ______________ .

3. Insects are arthropods, which means they have a segmented body, __________ _____

, an _____________, and have a nervous system.

4. Insects have three body segments: ____________ , _____________ , and the

_______________ .

5. Centipedes, Millipedes, Crustaceans, and Arachnids are also arthropods. Complete the chart below to help you understand the differences between these different arthropods.

	# of body segments	# of legs	# of antennae
centipedes	many	1 pair per body segment
millipedes	many	2 pair per body segment
crustaceans	2 or 3	5 or more pairs
arachnids
insects

6. Insects all go through either complete metamorphosis or gradual metamorphosis. What does metamorphosis mean? ____________________________________________
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