Question

directions:

1. draw wings on the butterfly between the bat and the bird.
2. correctly label the eyes: human; fish
3. fill in the blanks using the terms below.

• wings - environment - ancestry - independently

cut out page along the dotted line below
analogous structures
even though some species have anatomical features with similar
functions, it does not mean they are evidence of common
__________. for example, birds, bats and butterflies all have
____ but they evolved _____________. the emergence
of analogous structures can happen due to species living in a similar
_________________ or experiencing similar selective pressures. eyes
are thought to have evolved independently many times.
doodle the
wings of a
butterfly!
2

Explanation:

Step1: Fill first blank (common trait origin)

Ancestry

Step2: Fill second blank (shared structure)

Wings

Step3: Fill third blank (evolution mode)

Independently

Step4: Fill fourth blank (evolution driver)

Environment

Step5: Label eyes (simple vs complex)

Left eye: Fish; Right eye: Human

Step6: Draw butterfly wings

Add paired, thin, veined wings to the central butterfly body.

Answer:

1. (Visual: Paired, veined wings drawn on the butterfly between the bat and bird)
2. Left eye: Fish; Right eye: Human
3. Blanks filled in order:

Ancestry, Wings, Independently, Environment

Full completed paragraph:
Even though some species have anatomical features with similar functions, it does not mean they are evidence of common Ancestry. For example, birds, bats and butterflies all have Wings but they evolved Independently. The emergence of analogous structures can happen due to species living in a similar Environment or experiencing similar selective pressures. Eyes are thought to have evolved independently many times.