Answer:
I think the cardinal is trying to communicate courtship for the first and third song, while it is trying to communicate territorial with the second song.
Explanation:
hope it's help
D) Each parent only passes on one-half of its hereditary factors to each offspring.
Its number 4. T goes with A, G goes with C
1 mile.
Since he walks at a speed of 2 miles per hour, he will have only walked 1 mile after walking for half of an hour.
Answer:
A. Commensalism because the flatworm benefits while the horseshoe crab doesn't but isn't affected.
B. Predator-prey since the shark is the predator and the seal is the prey.
C. Competition because the two males are fighting for the female.
Hope this helps :)
