AP BIO: NEW ASSIGNMENT

Disturbance

a drastic change to a habitat such as clearing land for farming that removes the native plants animals need

Abundance

how many of something there are

Transect

a straight line you walk along and take measurements from

Independent variable

the thing being compared or changed

Dependent variable

the thing being measured that depends on the independent variable

Hypothesis

a proposed explanation for an observation that can be tested

Prediction

a statement of what you expect to happen

Claim

a one sentence answer to the scientific question in past tense with no first person

Evidence

the specific numbers from the data plus a sentence pointing out a pattern or something interesting

Reasoning

the explanation of why the evidence supports the claim using what you learned from the reading

Understory

the layer of shorter trees and bushes under the tall rainforest trees where cacao grows

Cacao

the tree whose seeds make chocolate

Why the totals were close

farmers keep large trees for shade so the farm still gives birds food and shelter

How the farm differs from rainforest

many more short understory trees

Toucans

eat fruit and large insects from big trees and nest in holes in big trees

Hummingbirds

eat nectar from flowers and live in tree branches and leaves

Wrens

eat small insects and live in small shrubs on the forest floor

Flycatchers

eat small insects and live in tree branches and leaves

Required on the graph

title

Big takeaway

the farm kept about the same number of birds but changed which birds were there because disturbance hurts some species and helps others