There are several steps involved in a person being able to feel a touch on their skin and experience it as pleasurable. Which of the following displays these steps in the correct order?

Why does the skin of your finger shrink when you wash clothes for a long time?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?