Answer:
Beaks changed as the birds developed different tastes.
Explanation:
Fruits, seeds, or insects picked from the ground or cacti have affected their evolution. Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits. Shorter, stouter beaks served best for eating seeds found on the ground.
This process is called Cloning. Cloning is the process of producing genetically identical copy of an organism or a cell, which may occur naturally or created in the lab. Naturally it may occur through processes such as asexual reproduction in organisms such as bacteria; where offsprings that are genetically identical to the parent are created. In the above case, it is done artificially to generate identical plants using growth hormones.
Answer:
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Explanation:
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The pia mater is the only meninges to continue into a brain sulcus after the brain surface.
What are meninges?
The skull and spinal cord are encased in three tiers of membranes called meninges. These are:
- The pia mater is the fragile inner layer.
- The arachnoid, a fluid-filled web-like structure that forms the brain's intermediate layer, is what gives the brain its cushioning effect.
- The dura mater is the name of the hard outer layer.
The term for the three gaps between the meninges-
- The gaps between the layers of the meninges are known as meningeal spaces.
- Epidural, subdural, and subarachnoid are the three clinically important meningeal compartments.
The function of meninges:
- It acts as a shock absorber, the CNS (central nervous system) will shield our brain from trauma harm, such as a knock to the head.
- They secure our central nervous system and prevent our brain from shifting inside our skull.
Therefore the correct solution is an option (A),i.e., pia mater.
The complete question is:
The only one of the meninges that follows the brain surface into a cerebral sulcus is the
a. pia mater.
b. alma mater.
c. dura mater.
d. arachnoid mater.
Learn more about meninges here:
brainly.com/question/7001959
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