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How do sponges and cnidarians defend themselves against predators What is different about the methods used by each?
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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.
To protect themselves what compound can plants produce?
Some herbivores have evolved ways to hijack plant defenses to their own benefit, by sequestering these chemicals and using them to protect themselves from predators. Plant defenses against herbivores are generally not complete so plants also tend to evolve some tolerance to herbivory.
What are two examples of animals using defensive chemicals against predators?
A dart frog and a spider
What does b cells create against pathogens?
They transform themselves to lots of plasma cells, which create antibodies to fight against the pathogens.
How old do skunks have to be before spray?
Skunks can be 8 days old before they can spray. Its their only defence against predators
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.
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
How does living in herds help antelopes to survive?
Antelopes live together to protect themselves against predators.
