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Sea Scorpions

2023-01-01 Juvenile Nonfiction
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Release : 2023-01-01
Genre : Juvenile Nonfiction
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Sea Scorpions by : Kate Moening

Download or read book Sea Scorpions written by Kate Moening. This book was released on 2023-01-01. Available in PDF, EPUB and Kindle. Book excerpt: Sea scorpions were the biggest arthropods to ever exist. The biggest grew over 8 feet long! In this hi/lo title, readers will discover the lives of sea scorpions as they swam through prehistoric oceans. Leveled text and colorful illustrations show off sea scorpions’ body parts, favorite foods, behaviors, and extinction. Special features map the prehistoric world, show off the animals’ size, call out favorite foods, and highlight an important fossil discovery. The book closes with a full-spread profile that puts important information about sea scorpions in one place!

Sea Scorpions

2024-09-17 Juvenile Nonfiction
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Release : 2024-09-17
Genre : Juvenile Nonfiction
Kind : eBook
Book Rating : 549/5 ( reviews)

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Book Synopsis Sea Scorpions by : Mat Edwards

Download or read book Sea Scorpions written by Mat Edwards. This book was released on 2024-09-17. Available in PDF, EPUB and Kindle. Book excerpt: Sea scorpions were the biggest arthropods to ever exist. The biggest grew over 8 feet long! In this hi/lo title, readers will discover the lives of sea scorpions as they swam through prehistoric oceans. Leveled text and colorful illustrations show off sea scorpions’ body parts, favorite foods, behaviors, and extinction. Special features map the prehistoric world, show off the animals’ size, call out favorite foods, and highlight an important fossil discovery. The book closes with a full-spread profile that puts important information about sea scorpions in one place!

Eurypterids Illustrated

2010-01-01 Eurypterida
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Release : 2010-01-01
Genre : Eurypterida
Kind : eBook
Book Rating : 566/5 ( reviews)

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Book Synopsis Eurypterids Illustrated by : Samuel J. Ciurca

Download or read book Eurypterids Illustrated written by Samuel J. Ciurca. This book was released on 2010-01-01. Available in PDF, EPUB and Kindle. Book excerpt:

The Eurypterida of New York

1912 Eurypterida
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Release : 1912
Genre : Eurypterida
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis The Eurypterida of New York by : John Mason Clarke

Download or read book The Eurypterida of New York written by John Mason Clarke. This book was released on 1912. Available in PDF, EPUB and Kindle. Book excerpt:

Sperm Competition and the Evolution of Animal Mating systems

2012-12-02 Science
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Release : 2012-12-02
Genre : Science
Kind : eBook
Book Rating : 13X/5 ( reviews)

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Book Synopsis Sperm Competition and the Evolution of Animal Mating systems by : Robert L. Smith

Download or read book Sperm Competition and the Evolution of Animal Mating systems written by Robert L. Smith. This book was released on 2012-12-02. Available in PDF, EPUB and Kindle. Book excerpt: Sperm Competition and the Evolution of Animal Mating Systems describes the role of sperm competition in selection on a range of attributes from gamete morphology to species mating systems. This book is organized into 19 chapters and begins with the conceptualization of sperm competition as a subset of sexual selection and its implications for the insects. The following chapter describes the relationship between multiple mating and female fitness, with an emphasis on determining the conditions under which selection on females is likely to counteract selection on males for avoiding sperm competition. Other chapters consider the female perspective on sperm competition; the evolutionary causation at the level of the individual male gamete; and the correlation of high paternal investment and sperm precedence in the insects. The remaining chapters are arranged phylogenetically and explore the sperm competition in diverse animal taxa, such as the Drosophila, Lepidoptera, spiders, amphibians, and reptiles. These chapters also cover the evolution of direct versus indirect sperm transfer among the arachnids or the problem for kinship theory presented by multiple mating and sperm competition in the Hymenoptera. This book further discusses the remarkable potential for sperm competition among certain temperate bat species whose females store sperm through winter hibernation and the mixed strategies and male-caused female genital trauma as possible sperm competition adaptations in poeciliid fishes. The concluding chapter examines the predictions concerning testes size and mating systems in the primates and the possible role of sperm competition in human selection. This book is of great value to reproductive biologists and researchers.

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