07/08/2025, 08:45 BLG 144 Midterm 1 EXAM QUESTIONS AND VERIFIED ANSWERS 2025(GRADED A+) DETAILED ANSWERS!! Flashcards | Qu…
BLG 144 Midterm 1 EXAM QUESTIONS AND
VERIFIED ANSWERS 2025(GRADED A+)
DETAILED ANSWERS!!
Save
Practice questions for this set
Learn 1 /7 Study using Learn
Terms in this set (94)
- all species are independent
What is the theory of
-life on earth is young-6000 yrs old
special creation
-species are immutable
based on idea that species are unchanging types and
typological thinking that variations within species are
unimportant/misleading
Aristotle believed that there's a ladder of nature that
great chain of being orders based on increased size and complexity
(humans are at the top)
https://quizlet.com/1064374880/blg-144-midterm-1-exam-questions-and-verified-answers-2025graded-a-detailed-answers-flash-cards/ 1/11
, 07/08/2025, 08:45 BLG 144 Midterm 1 EXAM QUESTIONS AND VERIFIED ANSWERS 2025(GRADED A+) DETAILED ANSWERS!! Flashcards | Qu…
proposed a theory of evolution that species are not
static but change through time
Lamark's theory of -always producing larger and more complex or
"change through time" and "BETTER" species
"inheritance of acquired -individual's phenotype changes as challenges in the
characters" environment get passed on to the offspring (ex.
giraffe have begin to have long necks for eating
higher trees and now offspring has long necks)
Darwin's theory of natural -species are not static, they change through time
selection
-Darwin proposed that species in the past are
ancestors of species existing today
descent with modification
1. species change through time
2. species are related by common ancestry.
around 3.4-3.6 billion years ago, life was formed
how old is the earth
earth per se is about 4.6 billion years old
trait in a fossil that is intermediate between older and
younger species
transitional feature
ex. aquatic animals with fins transition to terresterial
animals with limbs
fossil any trace of an organism that lived in the past
all fossils found and recorded
fossil record -indicates that over 99% of all species that have ever
lived are now extinct
sequence of named intervals called eons, periods,
geological time scale
eras, that represent major events in earth's history
tetrapods 4-fotted
reduced or incompletely developed structure with no
function or structures in closely related species
vestigial traits
ex. tailbone in humans
-evidence that species have changed through time
https://quizlet.com/1064374880/blg-144-midterm-1-exam-questions-and-verified-answers-2025graded-a-detailed-answers-flash-cards/ 2/11
BLG 144 Midterm 1 EXAM QUESTIONS AND
VERIFIED ANSWERS 2025(GRADED A+)
DETAILED ANSWERS!!
Save
Practice questions for this set
Learn 1 /7 Study using Learn
Terms in this set (94)
- all species are independent
What is the theory of
-life on earth is young-6000 yrs old
special creation
-species are immutable
based on idea that species are unchanging types and
typological thinking that variations within species are
unimportant/misleading
Aristotle believed that there's a ladder of nature that
great chain of being orders based on increased size and complexity
(humans are at the top)
https://quizlet.com/1064374880/blg-144-midterm-1-exam-questions-and-verified-answers-2025graded-a-detailed-answers-flash-cards/ 1/11
, 07/08/2025, 08:45 BLG 144 Midterm 1 EXAM QUESTIONS AND VERIFIED ANSWERS 2025(GRADED A+) DETAILED ANSWERS!! Flashcards | Qu…
proposed a theory of evolution that species are not
static but change through time
Lamark's theory of -always producing larger and more complex or
"change through time" and "BETTER" species
"inheritance of acquired -individual's phenotype changes as challenges in the
characters" environment get passed on to the offspring (ex.
giraffe have begin to have long necks for eating
higher trees and now offspring has long necks)
Darwin's theory of natural -species are not static, they change through time
selection
-Darwin proposed that species in the past are
ancestors of species existing today
descent with modification
1. species change through time
2. species are related by common ancestry.
around 3.4-3.6 billion years ago, life was formed
how old is the earth
earth per se is about 4.6 billion years old
trait in a fossil that is intermediate between older and
younger species
transitional feature
ex. aquatic animals with fins transition to terresterial
animals with limbs
fossil any trace of an organism that lived in the past
all fossils found and recorded
fossil record -indicates that over 99% of all species that have ever
lived are now extinct
sequence of named intervals called eons, periods,
geological time scale
eras, that represent major events in earth's history
tetrapods 4-fotted
reduced or incompletely developed structure with no
function or structures in closely related species
vestigial traits
ex. tailbone in humans
-evidence that species have changed through time
https://quizlet.com/1064374880/blg-144-midterm-1-exam-questions-and-verified-answers-2025graded-a-detailed-answers-flash-cards/ 2/11
