Evolution Of Animal Diversity

Question 1

Evidence of former life

Answer 1

Fossils

Question 2

First hypothesis for evolution (transformational)

Answer 2

Lamarckism

Question 3

The assumption that the same natural laws and processes that operate in our present day scientific observations have always operated in the universe in the past and apply eberywhere in the universe

Answer 3

Geng geng

Uniformitarianism

Question 4

The living world is neither constant nor perpetually cycling, but always changing

Answer 4

Perpetual change

Question 5

Multiple species derive from a single ancestral population

Answer 5

Common Descent

Question 6

Genetic variation within a species, especially variations that occurs between geographically separated populations, provides the material from which new species are produced

Answer 6

Multiplication of species

Question 7

Large morphological changes in organisms occur via a number of smaller steps over a number of years

Answer 7

Gradualism

Question 8

The oricess through which populations of living organisms adapt and change

Answer 8

Natural selection

Question 9

Some individuals have traits better suited to the environment than others

Answer 9

Natural selection

Question 10

The Biogenetic Law

Answer 10

Ontogeny recapitulates phylogeny

Question 11

Heirarchal Organization of Animal Complexity

Answer 11

1. Protoplasmic level
2. Cellular level
3. Cell-Tissue level
4. Tissue-Organ level
5. Organ-System level

Question 12

Characterizes unicellular organisms

Answer 12

Protoplasmic level

Question 13

Denotes an aggregation of undifferentiated cells

Answer 13

Colonial organization

Question 14

Denotes an aggregation of cells that are functionally differentiated

Answer 14

Multicellular organization

Question 15

Similar cells aggregate into definite patterns or layers becoming a tissue, a group of cells organized to perform a common function

Answer 15

Cell-Tissue level

Question 16

Contains more than one kind of tisse and have a more specialized function than tissues

Answer 16

Tissue-Organ level

Question 17

Organs work together to perform some function, they form a more comolex level of organization

Answer 17

Organ-System level

Question 18

Refers to balanced proportions and chape of parts on opposite sides of a median plane

Answer 18

Body symmetry

Question 19

Forms with no clear symmetry

Answer 19

Asymmetrical

Question 20

Applies to forms that can be divided into equal halbes by more than two planes passing through a longitudinal axis

Answer 20

Radial

Question 21

Exhibits correspondence or rehularity of parts around a central axis

Answer 21

Radial symmetry

Question 22

Endless but finite, number of symmetry axes throug the body

Answer 22

Spherical symmetry

Question 23

Embryonic tissues formed during gastrulation and gives rise to different layers such as skin, muscles, organ system

Answer 23

Germ layer