How do most marine vertebrates prevent severe dehydration?Multiple choice question.By actively transporting ions in their fluids which are then followed passively by water.By drinking seawater and eliminating excess salts through kidneys and gills.By maintaining certain parts of their bodies (skin and gills) hyperosmotic.
Question
How do most marine vertebrates prevent severe dehydration?Multiple choice question.By actively transporting ions in their fluids which are then followed passively by water.By drinking seawater and eliminating excess salts through kidneys and gills.By maintaining certain parts of their bodies (skin and gills) hyperosmotic.
Solution
Most marine vertebrates prevent severe dehydration by drinking seawater and eliminating excess salts through kidneys and gills. This is because the ocean is a salty environment, and the body of a marine vertebrate needs to maintain a certain level of salinity to function properly.
Here's a step-by-step explanation:
-
Marine vertebrates drink seawater: Seawater is not just water. It also contains salts and other minerals. When marine vertebrates drink seawater, they are taking in both water and these salts.
-
Kidneys filter out some of the salt: The kidneys of marine vertebrates are designed to filter out some of the salt from the seawater they drink. This helps to prevent the body from becoming too salty.
-
Gills eliminate excess salts: In addition to the kidneys, marine vertebrates also have gills. These gills serve many functions, one of which is to help eliminate excess salts from the body. This is done through a process called active transport, where the salts are moved from an area of lower concentration to an area of higher concentration.
-
The process helps prevent dehydration: By drinking seawater and eliminating excess salts, marine vertebrates are able to stay hydrated in a salty environment. This is crucial for their survival, as dehydration can lead to serious health problems and even death.
Similar Questions
What type of osmoregulatory adaptations are usually present in marine vertebrates?Multiple choice question.Adaptations that make them more permeable to waterAdaptations that prevent water from entering their bodiesAdaptations that prevent them from drinking seawaterAdaptations that prevent dehydration
In saltwater, the water that surrounds a fish has a higher concentration of dissolved salts than is found in the fish's body cells. Which two methods allow the fish to maintain water balance?A.Releasing large amounts of water in urineB.Pumping out salt through the gillsC.Drinking large amounts of waterD.Absorbing water into the body by osmosisSUBMITarrow_backPREVIOUS
Why do freshwater vertebrates have to actively transport inorganic ions in their bodies?Multiple choice question.Because they are hypertonic to the environment and tend to lose ions.Because most freshwater vertebrates accumulate ions throughout their life.Because freshwater vertebrates require high concentrations of inorganic ions from their kidneys to work.Because they are hypotonic to the environment and tend to lose ions.
How do mammals that are adapted to a desert habitat minimise water loss in their urine?Group of answer choicesThe renal medullary interstitium is extremely hyperosmolar.The thirst mechanism is stimulated by plasma hyperosmolarity.A persistently low glomerular filtration rate is maintained.Anti-diuretic hormone synthesis is up-regulated.
What are the 3 main ways by which we lose water from the body?
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.