Domain 2: Life Cycles

Question 1

what is metamorphosis?

Answer 1

change in physical appearance during a life cycle

Question 2

what is the life cycle of a frog?

Answer 2

egg
tadpole
tadpole with hind legs
frog

Question 3

what happens in the first stage of a frog?

Answer 3

females lay thousands of eggs in wayer and have techniques to ensure survival

Question 4

what happens in the second stage of a frog?

Answer 4

eggs hatch and continue as tadpoles
eat algae
no lungs, eyelids, or legs

Question 5

what happens in the third stage of a frog?

Answer 5

metapmorphosis
develop legs
lose gills
develop lungs

Question 6

what happens in the final stage of development for a frog?

Answer 6

froglet evolves into an adult frog

Question 7

what happens after metamorphsis for frogs?

Answer 7

may live in terrestrial aquatic habitats

Question 8

what are the stages of the butterfly life cycle?

Answer 8

egg/embryonic
larva/catepillar
pupa/chrysalis
adult butterfly/imago

Question 9

what happens in the first stage of the butterfly life cycle?

Answer 9

eggs are laid on plants

Question 10

what happens in the second stage of the butterfly life cycle?

Answer 10

catepillars consume plant leaves
produce hormones and wanders for quitable pupation site

Question 11

what happens in the third stage of the butterfly life cycle?

Answer 11

the larve transforms into a chrysalic by anchoring to a substrate and molting

Question 12

what happens in the last stage of the butterfly life cycle?

Answer 12

the imago emerges from the pupa and flies after wings are unfolded

Question 13

what does the anther do in flowing plants?

Answer 13

produce male gametophytes

Question 14

how is sperm produced in plans?

Answer 14

in pollen grains and attach to stigma

Question 15

where are female gametophytes locates?

Answer 15

insive ovules in the carpel

Question 16

how do flowering plants reproduce in sexual means?

Answer 16

pollen tube grows through the carpel’s style
sex cell nuclei from pollen grain migrate to ovule
zygote develops into an embryo
ovary grows into a fruit surrounding the seed

Question 17

what is asexual reproduction?

Answer 17

reproduction that does not involve meiosis or fertilization

Question 18

what is meiosis?

Answer 18

process where the number of chromosomes is cut in halme to form gametes or spores

Question 19

what happens during meiosis?

Answer 19

one cell divides twice to form four haploid cells to be fused later for fertilization

Question 20

what happens during meiosis and fertilization?

Answer 20

chromosomes of eat parent undergo genetic recombination

Question 21

what are spores?

Answer 21

haploid cells that can divide genetatively without fertilization

Question 22

what happens in mitosis?

Answer 22

parent cell’s genome is divided into daughter cells