Answer:
um you don't have the answer to choose from so I looked up on the web and its says ( migrants are more prepared to take on low-paid low-skilled jobs - helps to reduce any labor shortages) I'm pretty sure this didn't help but I hope it did
Answer:
The correct answer is - option B. They are small because they lack a nucleus.
Explanation:
Red blood cells or erythrocytes are specialized cell that produce in bone marrow and have specific role such as carrying oxygen from lungs to deliver it to the various organs and carry out carbon dioxide.
In mammals these cells lack cell organelles such as nucleus and mitochondria, a major factor that determined its smaller size. The size of RBC are move through narrow vessels throughout a organism because of its specific size and shape that provide it space for hemoglobin and allow to be flexible and bend to move through narrow vessels.
Thus, the correct answer is : option B. They are small because they lack a nucleus.
A glucagon<span>oma </span>may be a terribly<span> rare </span>tumour<span> of the </span>exocrine gland within which there's a rise<span> in </span>unleash<span> of the </span>internal secretion<span> glucagon, </span>inflicting<span> a characteristic </span>efflorescence<span> and raised </span>glucose<span> levels.due to this the </span>glucose<span> level </span>are going to be exaggerated<span>.Diabetes mellitus </span>kind one<span>, </span>additionally referred to as kind one polygenic disorder<span>, </span>may be a sort of diabetes within which<span> not enough </span>insulin<span> is </span>made<span>.[4] This </span>ends up in<span> high </span>glucose<span> levels </span>within the<span> body.where as in glucagonoma high levels of chromogranin A, </span>that may be a macromolecule typically<span> found in </span>tumor<span> tumors, and anemia, </span>that may be a<span> condition </span>within which you've got a low<span> level of red blood cells.</span>
The role a species plays in the ecosystem is called its niche.
Answer:
attach an image or smthng pls
Explanation:
