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What two functions do nematocysts perform?
Nematocysts are the stinging cells on tentacles of a cnidarian, like a jellyfish. Since jellyfish don't have any teeth, and their body consists of gelatin, it's hard to capture prey. Nematocysts help jellyfish with feeding by stinging the prey in an attempt at trying to immobilizing the prey.
Are plants defenceless do they have any natural protection?
Plants have evolved various natural defense mechanisms to protect themselves from predators, such as producing toxins, thorns, spines, or hairs that deter herbivores. Additionally, some plants have developed symbiotic relationships with beneficial organisms, like predators or parasitoids, that help defend against herbivores. Overall, plants have a range of strategies to defend themselves against threats in their environment.
What cell type in a cnidarian traps food?
Specialized stinging cells called cnidocytes in cnidarians like jellyfish, sea anemones, and corals are responsible for capturing food. These cells contain nematocysts, which are used to inject toxins into prey and defend against predators.
Where are nematocysts located?
Nematocysts are located on the tentacles of cnidarians, such as jellyfish and anemones. They are specialized stinging cells used for capturing prey and defending against predators. When triggered, nematocysts release a harpoon-like structure that injects toxins into the target.
How does a sea otter protect itself from predators?
Sea otters protect themselves from predators by wrapping themselves in kelp forests where they can blend in and avoid being seen. They also have dense fur that insulates them from cold water and acts as a barrier against sharp teeth of predators. Additionally, sea otters are quick and agile swimmers, allowing them to escape from predators such as sharks and killer whales.
Why do zebras have hoofs?
To defend themselves against predators.
How do rhinos defend themselves against predators?
they toss them of with their horns
What is the cnidarians string cells?
They are called pneumatocysts. They are the stinging cells used for killing prey, as all cnidarians are predators. They are cells that contain poison, and have little barbs on them to inject the poison with. With some cnidarians, the little barbs are all that you feel because their poison is only strong enough to kill plankton. With other cnidarians, however, the poison in the pneumatocysts is strong and can be deadly. The main purpose of the pneumatocysts is to kill prey, but they are also useful against predators.
How does a squirrel defend themselves against predators?
Running awayClimbing treesBiting
What do animals not use to defend themselves against predators?
nuclear weapons
How do giraffes defend there selves against predators?
Giraffes defend themselves against predators by kicking them swiftly while running and a well places kick can kill the predator
How do dolphins defend themselves against predators?
dolphins defend themselve by using their mouths againts predators like sharks and orcas
How do porcupine protect themselves against predators?
Their bristly spikes make them really hard to get to.
All cnidarians possess long extensions of the body called tentacles?
True, tentacles are a common feature among cnidarians like jellyfish and sea anemones. These structures are typically armed with stinging cells called cnidocytes, which help cnidarians capture prey and defend against predators. Tentacles are used for a variety of functions including feeding, sensing the environment, and locomotion.
What is a defense trait birds use to defend themselves against predators?
They fly up into a tree!
Does a porcupine have quills?
A porcupine has quills to defend themselves against harm's way (defend them from predators).
Do male animals with outsize weapons use them to protect themselves against predators?
Yes either to take down prey or fend off predators
