Answer:
Comb jelly does not have nematocysts.
Explanation:
Centophores (phylum Ctenophora) consists of invertebrate animals that live in marine waters. They make use of cilia for swimming, and they are the largest animals to swim with the help of cilia.
Ctenphores are popularly known as comb jellies, sea gooseberries, sea walnuts, or Venus's girdles, are voracious predators. Unlike Jelly fish(phylum cnidaria) with which they share several superficial similarities, ctenphores does not possess stinging cells, nematocysts. Instead, in order to capture prey, ctenophores possess sticky cells called colloblasts.
<span>Heat stroke can lead to brain damage, or even death.
- true </span>
Answer:
Excessive alcohol intake toggle button Excessive alcohol intake
Excessive salt intake toggle button Excessive salt intake
inactivity toggle button Inactivity
Obesity toggle button Obesity
Explanation:
High blood pressure, swelling of the wrists and ankles and high levels of protein in the urine of a pregnant woman are signs of preeclampsia.
This disorder usually develops in the second half of pregnancy and it must be treated. A lot of small blood vessels clamp down in the liver, the kidneys, the brain and other organs, This is the reason of high blood pressure.
