Answer:
the raven
Explanation:
octopus - intelligent but very antisocial with a short life span, meaning they most likely will not work with other octopuses to improve while also living in the ocean making it harder to build. (but could probably evolve to walk on land)
dolphin - smart but does not have thumbs to make tools and lives in the ocean meaning they have a disadvantage.
raven - intelligent, works with other ravens and sometimes even wolves, and has shown to make tools.
I had trouble with this one, I was on a quiz I had.
Norman Borlaug developed a drought and disease resistant dwarf wheat which helped the people of Mexico and India during food shortages.
Ethological anthropology is the correct answer but you don't have that choice, I don't understand..
Answer:
Beneficial is fruit ripening
And negative is abscission.
Explanation:
Ethylene is a plant growth regulator or phytohormone of plant. It is beneficial to plants in that it aid fruit ripening, it hasten flower opening and shedding of leaves.
Ethylene also have a negative effect and they include; Ethylene effects include: it result in loss of chlorophyll, abortion of major plants part, it lead to the stem shortening, abscission or dropping of plant parts, epinasty, and dormancy and scinence. Thus hormone can be produced when plants are injured, either mechanically or are affect by certain disease