Answer: c. nephron
Explanation: The nephron is the functional unit of the kidney, which actively filters blood and generates urine. The nephron is made of the renal corpuscle and renal tubule. Cortical nephrons are located within the renal cortex, whilst juxtamedullary nephrons are observed inside the renal cortex near the renal medulla.
Answer:
Habitat loss
Explanation:
Habitat loss is the single greatest threat to biodiversity on Earth today and in fact it is the second largest threat to our existence on this planet next to Climate Change.
Answer:
How can you know what happened millions of years ago if no one was there to see it? Evidence and observation are the building blocks of all scientific inquiry; ... of the fossil record, geological formations, and genetics attest to change having taken ... clues together into a cohesive explanation of the diversity of living things. Because of the specialized and rare conditions required for a biological structure to fossilize, many important species or groups may never leave fossils at all. Even if they do leave fossils, humans may never find them—for example, if they are buried under hundreds of feet of ice in Antarctica.
Explanation:
During mitosis, the number of individual chromatids that will align during metaphase is 4 and the sister chromatids are not paired up each other.
During meisos I, the number of individual chromatids that will align are 4 and during meisos II, also 4. The sister chromatids will pair up with each other during meisos I and II.
The one electron in its valence shell would most likely be donated to form a positively charged ion.
<h3>What is potassium?</h3>
Potassium is an element of group one. This element is univalent and has a valency of one. This implies that the outermost shell of the potassium atom is composed of only one electron.
Thus, the one electron in its valence shell would most likely be donated to form a positively charged ion.
Learn more about potassium ion:brainly.com/question/24336764
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