A man has an oak tree with dropping, discolored leaves, and poor growth. Which of the following professionals would be most be able to tell him what is wrong with the tree?
O an arborist
O a landscape designer
O a pomologist
an agronomist
Helpp

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

Archaebacteria use for movement. celia flagella pili cell walls