Answer:
true, the alternative would be postzygotic barriers.
Explanation:
Answer:
B. Catastrophism
Explanation:
Catastrophism is the theory that states that the Earth was mostly shaped by very sudden effects. These sudden and short-lived events would occur worldwide in scope and change the Earth rapidly. This is in contrast to uniformitarianism that states that slow incremental changes made the Earth like it is today. Changes like erosion.
The tiny structures inside of cells, such as Ribosomes or chloroplasts that have specialized roles are called organelles. These structures are found in the cytoplasm of eukaryotic cells and are enclosed with a membrane. These tiny structures are not present in prokaryotes like in bacteria.
True, a vast, flat, treeless Arctic region of Europe, Asia, and North America in which the subsoil is permanently frozen.
Answer:
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.
Explanation:
