Created by Educational Technology Network. www.edtechnetwork.com 2009

Cell Cycle Asexual sexual Meiosis Development 10 20 30 40 50

A cell spends most of its life in this phase Question 1 - 10 A cell spends most of its life in this phase

Answer 1 – 10 Interphase

Question 1 - 20 The cells splits into two during this phase

Answer 1 – 20 Cytokinesis

Question 1 - 30 The process in which the contents of a cell’s nucleus divides

Answer 1 – 30 Mitosis

Question 1 - 40 During mitosis the centromere of chromosomes are pulled along these

Answer 1 – 40 Spindle fibers

Question 1 - 50 The four phases of Mitosis in order

Answer 1 – 50 Prophase, Metaphase Anaphase Telophase

Question 2 - 10 Name one type of asexual reproduction

Answer 2 – 10 Binary fission Budding Vegetative reproduction Fragmentation Sporulation

Question 2 - 20 An identical copy of its parent is a

Answer 2 – 20 Clone

Question 2 - 30 True or false, plants reproduce asexually

Answer 2 – 30 Plants can reproduce both sexually and asexually

Question 2 - 40 If an organism breaks apart as a result of injury and each fragment develops into a new individual, this is called

Answer 2 – 40 Fragmentation

Question 2 - 50 Hydras and sponges reproduce by this method

Answer 2 – 50 Budding

Question 3 - 10 How many parents do asexual and sexual reproduction need?

Answer 3 – 10 Asexual – one Sexual - two

Question 3 - 20 Sexual reproduction does not produce clones Variation or inherited genetic differences in a species is called…..?

Answer 3 – 20 Genetic Diversity

Question 3 - 30 Specialized cells necessary for reproduction are called

Answer 3 – 30 Gametes

Question 3 - 40 46 is the ___________ number for humans, while 23 is the _________ number.

Answer 3 – 40 Diploid Haploid

Question 3 - 50 What is the main benefit of genetic diversity?

Answer 3 – 50 An organism may be better equipped to cope with changes in its environment and gain an advantage over another of the same species

Question 4 - 10 The process that makes the special sex cells is called?

Answer 4 – 10 Meiosis

Question 4 - 20 The two processes in Meiosis that cause genetic diversity are?

Answer 4 – 20 Crossing over and independent assortment

Question 4 - 30 What are homologous chromosomes?

Answer 4 – 30 Matching chromosomes (not the same genes but the same type of genes)

Question 4 - 40 After Meiosis, why is only one of the four cells produces usable for female gametes?

Answer 4 – 40 Only one has enough cytoplasm and organelles

Question 4 - 50 What things are used to match up chromosomes during karotyping?

Answer 4 – 50 Size, Centromere location Banding patterns

Name an organism with internal fertilization, but external development Question 5 - 10 Name an organism with internal fertilization, but external development

Answer 5 – 10 Birds Reptiles

Question 5 - 20 Name an organism that would have both external fertilization and external development

Answer 5 – 20 Fish Sea Urchin

Question 5 - 30 A fertilized egg is called?

Answer 5 – 30 A zygote

Question 5 - 40 The early development of an organism, in humans this takes place in the first two months

Answer 5 – 40 Embryonic development

Question 5 - 50 When the blastula organizes itself into three layers the stage is called gastrula. What are the names of the three layers and what do they develop into?

Answer 5 – 50 Ectoderm – Skin and nervous system Mesoderm – Kidneys, skeleton, muscles, blood vessels Endoderm – lungs, liver, and digestive system