IB Biology Sub-topic D3.1 Definitions

This page contains our IB Biology definitions for sub-topic D3.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Reproduction'.

All Topic 3 Sub-topics

A3.1: Diversity Of Organisms

(HL)A3.1: Further diversity

(HL)A3.2: Classification & cladistics

B3.1: Gas Exchanges

(HL)B3.1: Further gas exchange

B3.2: Transport

(HL)B3.2: Further transport

(HL)B3.3: Muscle & motility

C3.1: Body Systems

(HL)C3.1: Plant systems

C3.2: Defence Against Infectious Disease

D3.1: Reproduction

(HL)D3.1: Further reproduction

D3.2: Monogenic Inheritance

(HL)D3.2: Polygenic inheritance

D3.3: Homeostasis

(HL)D3.3: Further homeostasis

amniocentesis

A method of fetal cell sampling whereby a needle is inserted into the abdomen to remove amniotic fluid from the amniotic sac around the fetus

chorionic villus sampling

A method of fetal cell sampling whereby placental cells are taken with a needle

fertilization

The fusion of pollen and an ovule to form a zygote

in vitro fertilization

A novel method used to overcome fertility problems in males or females

In vitro fertilization

A novel method used to overcome fertility problems in males or females

menstrual cycle

A 4-week repeating process of egg development and release for fertilization

pollination

The supplying of pollen to other plants to facilitate fertilization

seed dispersal

The release of seeds so they can germinate and grow into more plants, often assisted by animals eating and defecating seeds or wind carrying the seeds to spread out the plants

superovulation

The process of increased follicular development