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What is an invasive species?

An invasive species is an animal that is not originally from a specific ecosystem that has increased in numbers enough to cause harm to the environment. In order to qualify as invasive species, the animal itself must Reproduce quickly Grow quickly Spread in population aggressively Invasive species can be harmful to native animals that already…

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Venomous vs. Poisonous

What’s the difference between venomous and poisonous? While many people think the words are interchangeable, they’re actually not. Both venom and poison are bad things to come into contact with, but how one goes about contacting them can be very different.   Venom is something that is injected into your body in order to feel…

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Scientific Method

What is the scientific method?

If you’re a defender that’s truly interested in becoming a zoologist, scientist, or working in depth with science & nature, chances are you’re going to come across an idea that you need to test. Look no further than right here to learn the process scientists use to get the truth – the scientific method! So…

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Traits of a reptile

All major groups of animals are defined by a certain group of characteristics or universal identifiers. The majority of these major characteristics are recognized all over the world. For example, birds have feathers. It doesn’t matter what continent you are on, the people there know that all birds have feathers. People also know that birds…

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Endemic species

What is an endemic species?

If you’re coming from our invasive species section, then you might already know all about animals that start to live in places they normally don’t come from! So if an invasive animal is living in a habitat it’s not from, then what’s the opposite of that? Well that’s an endemic species! An endemic species is…

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Turtles vs. Tortoises

Does it have a shell? Is it a reptile? Well then it’s gotta be turtle…or is it a tortoise? Turtles and tortoises belong to an order of animals called Testudines, or sometimes referred to as Chelonians. Chelonian is a broader order that also includes extinct turtles. Even though they might look pretty similar, there are…

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What is Domestication?

Domestication is when humans change an animal’s appearance and behavior to the appearance and behavior they want that animal to have. They do this by selective breeding, making sure that animals with the traits they want, have babies with another animal with the same traits.   Domestication does not happen overnight. It can take hundreds,…

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What are Cnidarians?

What are Cnidarians? “Cnidarians” isn’t a word most people would associate with animals, yet almost everyone has heard of at least one organism from this stinging group, like Jellyfish and Sea Anemones!  There are all kinds of other cool organisms in the Cnidarian family that you can start to explore in the Cnidarian Center of…

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What is a Mollusk?

Hey Defenders! Here we’ve got a pretty unique and diverse group of animals to talk about…and you might be surprised at how well you know these guys already. In fact, I’m betting a bunch of you have not only seen these animals…but even collected their SKELETONS!!! No, I’m not exaggerating…you probably have held a dozen…

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What is a reptile?

Reptiles are a group of animals that include four different groups or classes: Turtles and Tortoises Crocodiles and Alligators Snakes, and Lizards Tuatara (which look like lizards, but are not directly related to them!) Reptiles are known for the following traits: Laying eggs (though some reptiles can give birth to their babies alive like mammals!)…

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