Reproduction_43

Reproduction_43 - Reproduction Chapter 43 Reproduction D=...

Info iconThis preview shows pages 1–33. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Reproduction Chapter 43 Reproduction D= the creation of new individuals Cell reproduction mitosis Organismal reproduction & inheritance Asexual or sexual Types of Reproduction Asexual No exchange of genetic material fission bacteria sea anemone Fragmentation w regeneration Sea star mitosis Fission Fragmentation & Regeneration Parthenogenesis Asexual Reproduction Benefits Dont need a mate Simpler Faster Energetically less costly Drawbacks No genetic variation Sexual Reproduction Exchange genetic material 2+ individuals Meiosis & gametes required Most organisms Complex strategies Sexual Reproduction Benefits Genetic variation Drawbacks need a mate More complex slower Energetically costly Risk of disease/ predation hermaphrodite 1 individual contains both male and female reproductive parts Sexual reproduction terminology gonads gametogenesis Gametes Ovum sperm copulation Insemination fertilization zygote Gametes fertilization External Limited to water Internal In or near female reproductive parts Typically requires copulatory organ External Fertilization Internal fertilization Delivery of sperm In or near female reproductive parts requires copulatory organ Terms Insemination Fertilization Human reproduction Reproduction System Reproductive organs Reproductive tract Accessory glands & organs Reproductive Organs Gonads Function Produce sex cells- Gametes Produce hormones Male Gonads Female Gonads Gamete Production Male Testes Spermatozoa (sperm) ~100-300 million/ day Ave 1000 per second Production begins at puberty Female Ovaries Oocyte (egg) 1/ month Production begins in embryo Cell division arrested in meiosis Division resumes at puberty Spermatozoa Oocyte...
View Full Document

Page1 / 116

Reproduction_43 - Reproduction Chapter 43 Reproduction D=...

This preview shows document pages 1 - 33. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online