Students explain that fishes that reproduce externally have to release great numbers of eggs and milt (sperm) in order to ensure fertilization.
5th - 9th Science 3 Views 13 Downloads
Investigating Reproductive Strategies
Pass on to your class knowledge about different aspects of reproduction with this simple life science lesson. From amoebas to grizzly bears, young scientists read about a variety of organisms as they investigate the advantages and...
7th - 10th Science CCSS: Adaptable
New Review Conserving Canada's Marine Biodiversity
The ocean may seem a world away, but you can actually find it in a science classroom! Learners in the lower grade levels explore the concepts of water pollution, apex predators, the worth of animals, and commercial fishing methods. High...
4th - 12th Science CCSS: Adaptable
Everything You Always Wanted to Know About: Invertebrates
Not everything you want to teach about invertebrates is included in this PowerPoint, but everything you may want to teach about fish is. Details, details, details! After a brief introduction to phylum Chordata, junior icthyologists learn...
9th - 12th Science
Male and Female Reproductive Systems
Bring the birds and the bees discussion into the twenty-first century with this presentation on human reproduction. Split into two sections, this resource first examines the male reproductive organs and the effects of puberty before...
5th - 8th Science CCSS: Adaptable