Listed in the item box are individual steps that need to be ordered to find out more information about steps some have more details available when you click drag and drop the steps in proper order by placing each in his correspondent open rectangle be sure that the earlier step is placed next to the number one.
item bank:
class family genus kingdom
order phylum species

1.
2.
3.
4.
5.
6.
7.

Kingdom

Phylum

Class

Order

Family

Genus

Species

Explanation:

To classify the numerous organisms, we need a system which helps us to classify all the organisms so that it becomes easy for us to study about them. Carolus Linnaeus, a Swedish botanist developed a system of classification called Taxonomical classification. He classified all living organisms in eight ranks,

domain>Kingdom>Phylum>Class>Order>Family>Genus>Species.

( from general to specific)

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands