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Questions (122)

Fossils and genes are used to determinea how many mutations occurred in a species over time. b how species will change over
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2. 392 views
A common ancestor is an organism that is thea direct ancestor of two or more different organisms. b direct ancestor of one
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2. 345 views
Pythons have small leg bones buried in their tail muscles. What can scientists conclude from this observation?a Future
1. 1 answer
2. 536 views
Why do organisms evolve?a Organisms naturally select traits that help them survive and reproduce. b Changes in the environment
1. 2 answers
2. 224 views
Which evidence supports the theory that fish and mammals evolved from the same ancestor?a Their embryos share features in the
1. 3 answers
2. 775 views
You and your friend inspect a group of fossils from different organisms with various features. Your friend is convinced that all
1. 1 answer
2. 297 views
Some horse ancestors had limb characteristics that were similar to what we see in the modern horse. Which of the following best
1. 1 answer
2. 540 views
Which pair of living organisms are likely to have evolved from the same ancestor?a fish and fungi b fish and birds c birds and
1. 1 answer
2. 463 views
Which pattern is evidence that reptiles and amphibians share the same ancestor?a They have backbones. b They have eyes. c They
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2. 487 views
Which body part is a vestigial structure?a horse hoof b whale hind limb c human arm d bat wing
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2. 549 views
Which group includes only bipedal animals?a primates b hominins c lesser apes d hominids
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2. 445 views
There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and
1. 5 answers
2. 400 views
There are 13 species of Darwin’s finches on the Galapagos Islands. They have many similar features but differ in beak size and
1. 2 answers
2. 356 views
In studying humans, whales, and horses, which of the following set of similarities would be evidence for the most recent common
1. 1 answer
2. 465 views
Which list shows the groups in order from most inclusive to least inclusive?a hominids, hominins, primates b hominins, hominids,
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2. 306 views
Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?a All
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2. 402 views
Embryos of different animals show patterns of similarities. What is this evidence for?a that these animals all have very similar
1. 23 answers
2. 616 views
Scientists discover fossilized bones from two different animals. The Scientists consult the fossil record to learn more about
1. 1 answer
2. 397 views
What is the relationship between humans and chimpanzees?Humans and chimpanzees evolved from a common ancestor. Humans and
1. 1 answer
2. 312 views
Given that ∠MQL = 180° and ∠XQR = 180°, which equation could be used to solve problems involving the relationships between
1. 4 answers
2. 252 views
I need help with the connexus unit 3 geometry part 1 test
1. 2 answers
2. 133 views
Find m∠TUL.m∠TUV = 167° m∠TUL = (x + 11)° m∠LUV = (11x)°
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2. 259 views