What is a contour interval?
o
a. the degree of a slope's steepness
b. an imaginary line that joins points of equal elevation
o
c. the elevation difference between two adjacent contour lines
o
d. a loop formed by contour lines that indicates a peak or depression

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

hi i’m going crazy about going tomorrow and i’ll tell you what i’m doing and i wanna is a way ya

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?