Which of the following describes a competitive relationship between two organisms? A.
A deer tick lives on a white-tailed deer and drinks the blood of the deer.
B.
An owl and a snake in the same ecosystem both eat mice as a major food source.
C.
An oxpecker sits on the back of a zebra to pick small parasites off the zebra's back.
D.
A bluebird swoops down from the air to catch a grasshopper and eats it.

The answer is B. An owl and a snake in the same ecosystem both eat mice as a major food source.

the animal that would be cutest if scaled down to the size of a cat? elephant

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).