"SCIENTIFIC hach"

An impressive survey of north american trees.

Bony fish first evolved during the Paleozoic era, over 400 million years ago. This fossil replica represents a mold of a ray-finned fish that died and was buried in the ocean.

This deluxe brain is medially divided. On the right half of this brain, you will find a colored, systematic grouping and representation of the cerebral lobe. The left half of the brain shows: Pre- and post-central region, Broca and Wernicke areas, Heschl's gyrus and Brain nerves. The deluxe brain is a great tool for education on the human nervous system and anatomy of the brain. The brain is delivered on a removable base.

Propagate Echinoderms to Observe Developmental Stages.

This bivalve fossil replica looks like a shell you would find at the beach, but it is representative of an organism that lived millions of years ago.

This fossil replica represents an ancient sea urchin that crawled along the seafloor, feeding on algae. Although they are rarely preserved, echinoderms that looked like this had long spines like the sea urchins of today.

Ammonites grew their shells from calcium carbonate and grew constantly throughout their life span. A relative of octopi and squids today, ammonites swam through the open ocean, preying on smaller marine animals.

Set of commonly studied fossils.

Eisco labs prehistoric skulls - premium set of six Neaderathal skulls. Set consists of Afarenis cranium, Africanus cranium, Habilis cranium, Erectus cranium, Neanderthalensis cranium and Steinheim skull.

Invasive species are organisms found outside their native range. When these foreign species are introduced into new ecosystems the results can be dramatic as they displace native species and cause problems that the native system cannot adapt to.

Bundle and save on these cosmic wonders.