Science

Benthic animals are animals that live on, in, or closely associated with the bottom of an aquatic environment. They occur in oceans, rivers, lakes, and wetlands, ranging from tiny animals in sediment to crabs, clams, worms, and bottom-dwelling fish. What “benthic” means The word “benthic” describes a habitat or way of life linked to the […]

The kangaroo is the animal most often described as having five legs: when it moves slowly, it uses its strong tail along with its two forelimbs and two hind legs. The tail is not literally a fifth leg in anatomical terms, but it can act as a weight-bearing limb during this distinctive form of movement.

Some sea animals keep growing throughout life, but no sea animal grows without limit or literally never stops. This pattern, called indeterminate growth, means an animal may continue adding size after maturity when food, health, and environmental conditions allow. What “never stop growing” really means Growth is an increase in body size or mass. In

The most commonly seen butterflies in North America include the cabbage white, clouded sulphur, eastern tiger swallowtail, red admiral, painted lady, monarch, and several familiar skippers. Which species is most common depends on the region, season, habitat, and whether “common” means widespread across the continent or abundant in a particular place. What “common” means for

Ducks have two feet: one attached to each leg. Their feet are adapted for swimming, walking, and standing, but they are not flippers; the familiar webbing between the toes helps them move through water. Why Ducks Have Two Feet Ducks are birds, and the typical bird body plan includes two hind limbs. A duck’s legs

Ultraviolet waves are a form of electromagnetic radiation: energy carried through space by changing electric and magnetic fields. They have shorter wavelengths and higher frequencies than visible light, so their photons carry more energy and can trigger chemical changes, cause fluorescence, and damage living tissue. Where ultraviolet fits in the spectrum Electromagnetic radiation includes radio

Great white sharks are wide-ranging predators that use keen senses, efficient swimming, and flexible hunting tactics to find prey. Their behavior is not simply constant aggression: they investigate unfamiliar things, hunt when opportunities arise, and often move through the ocean alone. What shapes great white behavior? The great white shark, Carcharodon carcharias, is a large

Yes, sheep can live in the wild, but the answer depends on what “sheep” means: wild sheep species are adapted to natural habitats, while domestic sheep that escape or are released may form feral populations. Domestic sheep can survive without people in some places, yet they are not automatically well suited to doing so and

Birds’ heads often look jerky because many birds use a stop-and-go head movement to keep their view of the world steady while they walk. The head is not simply bouncing with each step: in species that show the familiar motion, it tends to stay nearly still in space for a moment, then move forward quickly

There are probably many frogs on your property because it offers some combination of water, food, shelter, and suitable places to breed. Their numbers can rise suddenly during warm, wet weather or a breeding season, especially when nearby ponds, wetlands, or other habitats support a large local population. What attracts frogs to a property? Frogs