Category: Biology

dinosaurs

The Origin of Modern Birds and How They Evolved from Dinosaurs

One of the most striking examples of evolutionary transition in all biology history is the evolution of modern birds. Their group of land vertebrates is the most diverse on Earth, with more than 10,000 extant species worldwide (Brusatte et al. 2015). This evolutionary transition from an animal very much alike Tyrannosaurus rex, date back to …

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pesticides

What Are Pesticides and Are They Really Harmful?

Pesticides are chemicals generally used in agriculture, in order to prevent diseases, pests, weeds and other kinds of plant pathogens. The final aim of pesticides is to maintain high quality in agricultural production and yield and also improve the external appeal of fruits and vegetables. Despite sometimes not being noticed by the public, there some …

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plants

The science of plant systematics

“Nature produces individuals, and nothing more. She produces them in such countless numbers that we are compelled to sort them into kinds in order that we may be able to carry them in our minds. This sorting is classification— taxonomy.” (Bessey 1908) The science of identifying and classifying organisms (taxonomy) is responsible for categorizing the …

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sharks, hammerhead

The Nose Knows: Crazy Animal Schnozzes

From elephants to star-nose moles to proboscis monkeys to hammerhead sharks, some animals have really odd noses. Let’s talk noses. For humans, noses enable us to smell and breath, as well as providing us a place to perch our sunglasses. Animals rely more on their noses, particularly their sense of smell. It enables them to …

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alligator, gator, animals

Chilly Alligators and the Process of Brumation

As reptiles, alligators are cold-blooded and need the heat of their surroundings for their body warmth. Fortunately, alligators are found in tropical and subtropical habitats so it is not uncommon for them to experience freezing temperatures. Weather patterns in recent years, however, have gone awry and occasionally, a cold snap hits a normally balmy region. …

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The Pickerel Frog: Not Your Ordinary Amphibian

The Pickerel frog, Lithobates palustris, is unique among North American frogs. Common in the clear, cool ponds and streams of the northeastern and eastern United States and Canada, as well as the coastal swamps and marshes of the south, the Pickerel Frog is plentiful in the wild. In fact, International Union for Conservation of Nature …

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Bradford Pear: A Lesson in Toying with Invasive Species

Today, we know that introducing a foreign species into a habitat, no matter how benign it seems to be, is a really bad idea. The Bradford pear is one prime example of this. The small and decorative tree was a staple of the thousands of new subdivisions that sprung up across the country between the …

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