1. Which of the following taxonomic groups includes the greatest number of organisms?

Question

A. domain

2. What is the primary purpose of a dichotomous key?
B. identify unknown organisms

3. What do scientists examine when they use a dichotomous key?
C. observable features of an organism

4. Examine the two spiders.

Two spiders, side by side. One spider is black with eight segmented legs and a long, thin body. The other spider is brown with eight segmented legs and a short, wide body.

Which characteristic would best identify the spiders as belonging to different species?
A. shape of body

5. Use the dichotomous key to answer the question.

Dichotomous Key

1a. Needle leaves: go to step 2

1b. Non-needles leaves: go to step 3

2a. Needles are grouped in clusters: pine tree

2b. Needles are individually arranged: spruce tree

3a. Simple (individual) leaves: go to step 4

3b. Compound leaves (leaflets): go to step 5

4a. Leaf edge is smooth and lobed: oak tree

4b. Left edge is rough and tooth-like: elm tree

5a. Leaflets are attached at one point: chestnut tree

5b. Leaflets are attached at many points: walnut tree



Examine the leaf.

Non-needle green leaf with compound leaves attached at the center.

What kind of tree is the leaf from?
B. chestnut

These answers are 100% correct for ConneXus (TCAH) as of 2023. Thank me later

Answer 1

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