"SCIENTIFIC HATCHERIES"

Simulated silicone specimen, designed for modern learning.

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.

Crayfish are a mixture of Orconectes immunis and Orconectes virilis.

An impressive survey of north american trees.

Which environment is more appealing?

This harmless insect parasitizes the Sarcophaga (flesh fly) pupae. Females usually lay 30–50 eggs in the pupae, which provide food for the Nasonia larvae when they hatch.

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