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Vinvika [58]
3 years ago
12

QUESTION 3

Biology
1 answer:
Lena [83]3 years ago
6 0

Answer:

B.

Theories unify a broad range of observations and hypotheses.

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In the periodic table, vertical columns are called periods.<br> TRUE<br> FALSE
schepotkina [342]

Answer:

FALSE

Explanation:

In the periodic table, vertical columns are called GROUPS.

This is a FALSE statement

The horizontal rows on the periodic table are called periods.

8 0
3 years ago
List the three primary components of the axial skeleton.
FinnZ [79.3K]

Answer:

Three primary components of axial skeleton are skull, vertebral column and ribs.

Explanation:

Axial skeleton forms the central axis f the body. Three primary component of axial skeleton are:

Skull: Skull protects the brain and supports the face structure. Twenty two bones are present in the skull. Two main categories of skull bone are cranial bone and facial bone.

Vertebral column: Vertebral columns support and protects the spinal cord. The vertebral column serves as the attachment site for the muscles and neck.

Ribs cage: Ribs cage is also known as thoracic cage and includes the structure of sternum, ribs, coastal cartilage and thoracic cartilage. Ribs consists of twelve bones.  

7 0
3 years ago
what role do bacteria and other tiny organisms have in making sure that nutrients are always available in ecosystems
PtichkaEL [24]
Bacteria and other small organisms within an ecosystem play an important role in maintaining homeostasis of an ecosystem while also helping to break down dead materials. These small organism play a vital role in decomposing of dead plant and animal matter that then becomes nutrients for the ecosystem in the future provide fertile soil for new plant life to grow supporting the cycle of life in an ecosystem. 
7 0
3 years ago
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Which function of the skeletal system would be especially important if you were in a car accident?
Rama09 [41]

Answer:

1) B without protection of internal organs, you would die even with just a fall

2) B it just is B

3) dunno

4) B it just is B

5) you must do ur self becuase u must explain how you think....

Explanation:

Dare delete me again moderators...

3 0
3 years ago
How does phloem differ from xylem?
ipn [44]
Well the main purpose of xylem is to transfer sap from the roots to the leaves and phloem typically transports sugars from leaves to sink tissue. Xylem only travels up from the roots but phloem can have either travel up or down. The outside cells of xylem are dead and the the cells that make up phloem are the sieve elements, which are supported by companion cells.
8 0
4 years ago
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