To What Family Do Worm Belong

Worm

Scientists find it difficult to define exactly what worms are. They may best be described as elongated, boneless animals, an undersurface fitted for crawling, and a more or less definite head end. One other important feature of worms is that they can be divided into two similar portions, their right and left sides. So when … Read more

When Snakes Lay Eggs

snakes-lay-eggs

To most of us, a snake is a snake. We know there are differences among them, but we do not realize how great these differences arc. The many different species of snakes reproduce in many different ways. There are many species of snakes, in- including rattlesnakes,  copperhcads, water snakes, and garter snakes, that do not lay … Read more

How Do Pigeons Find Their Way Home

Pigeons Find Their Way Home

The ability of certain birds to fly great distances and arrive “home”, or at their destination, is one of the most remarkable things in nature. Do you know that carrier or homing,  pigeons were used to carry messages as long as  2,000 years ago by the ancient Romans And even now when modern armies have … Read more

What Are The Differences Between Paramecium Vs Euglena

Paramecium and Euglena

Euglena is a single-celled organism that is found in freshwater environments, and Paramecium is found in saltwater environments. In addition to their different locations, they have different features as well. Euglena has a nucleus, but no mitochondria or chloroplasts. Paramecium does not have a nucleus or chloroplasts either, but they have mitochondria that produce energy for … Read more

What Are The Main Differences Between Plant And Animal Cells?

Plant And Animal Cells

Plant cells are structurally different than animal cells, which has to do with the composition of their cell walls. Plant cells have cellulose-containing walls while animal cells have chitin-containing walls. Animal cells are also more specialized than plant cells. Animal cells contain organelles like mitochondria, Golgi apparatus, and lysosomes while plant cells lack these organelles. … Read more