Cladograms
Organisms always have the traits that are listed on their line or below them on an evolutionary tree-true or false.
True
What is one type of evidence that can help scientists determine whether organisms share a common ancestor?
Comparing embryos and anatomical structures
You and you friends are at ledges and you see a bunch of layers of rock, which layer would the youngest rock be on?
The top layer of rocks
What do you call an organism in its early stages of development?
Embryo
How many years has Ms. Simonsen been teaching?
10 years
If two organisms are on the same branch, (U shape) then they are _________ related
closely
What do you call an orgaisum from the past that two or more groups evolved from?
Common Ancestor
What do you call it when more than one organism dies off and there fossils disappear?
Two different species have embryos that look very similar in their early stages. What might this suggest?
Common ancestor or that they are closely related or evolved from the same thing.
How old is Ms. Simonsen's daughter about to turn?
7 years old
The farther away from an organism you get on an evolutionary tree means the organisms are:
Not closely related
A human and a dolphin have similar bone patterns in their front limbs. What does this suggest?
They may have inherited these structures from a common ancestor.
What do you call it when there is a large amount of variety in a rock layer?
Biodiversity
Scientists compare the early embryos of a dolphin, a shark, and a wolf. The dolphin and wolf share more developmental features than either shares with the shark. Which two organisms are likely more closely related?
Dolphin and wolf
What is Charli's Favorite Dinosaur?
Archeopteryx (duh)
Two organisms share three similar traits, while a third organism shares only one of those traits with them. What does this most likely suggest about their evolutionary relationships?
A. The two organisms with three shared traits are more closely related because they share a more recent common ancestor.
B. The two organisms with three shared traits are less closely related because they are more different.
C. All three organisms are equally related because they share at least one trait.
D. The organism with only one shared trait is the oldest organism alive today.
A. The two organisms with three shared traits are more closely related because they share a more recent common ancestor.
Are Sharks and Whales closely related?
Nope
Why might a fossil of a snail have only the shell instead of the fleshy body
because only the shell fossilized and the body decomposes
What do you call the embryo inside a seed?
Cotyledon
What town does Ms. Simonsen live in?
Bondurant
Scientists compare a shark, a dolphin, a sea otter, and a wolf using a cladogram. The dolphin, sea otter, and wolf share a more recent common ancestor with one another than with the shark. Who do the dolphins share a more recent common ancestor with?
Sea otter and wolf
Why do we compare embryos in EARLY stages when looking for similarities to determine common ancestors?
Because as they reach late development, their traits become specific and early traits may go away.
What fossil do scientists say connects birds and dinosoars
Archeopteryx
How do you know if 2 plants are closely related?
They have to have the same number of cotyledon (plant embryos)
What enriched class and which normal class has the most wins so far in terms of assessment scores?
4th enriched and 7th normal! Way to go! SO proud of you!