subject
Biology, 07.05.2021 17:50 makiahlynn706

1. A fossil is the remains or traces of organisms that have lived in the past. Which statement is true about fossils?
A. A fossil never includes a complete organism.
B. A fossil shows the evolution of an entire species.
C. Much of the evidence for evolution comes from fossils.
D. Fossils have provided a complete history of Earth's life forms.
2. In 1859, Charles Darwin proposed his theory of evolution based on natural selection. What
observation about the natural world does this theory explain?
A. how the fossil record was formed
B. how species change over time
C. how a species always retains its characteristics
D. how catastrophic events lead to extinctions
3. Extinction is the dying out of a species. What can lead to the extinction of a species if the
environment changes?
A .having traits that enable the species to adapt to the changed environment
B. an increase in the reproductive rate within the species
C. a lack of adaptations in the species that help individuals survive and reproduce in the changed
environment
D. the presence of genetic variations among the individuals of the species

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 21:00
Approximately how many times does an average human heart beat in a lifetime?
Answers: 1
question
Biology, 22.06.2019 23:00
The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures
Answers: 3
question
Biology, 22.06.2019 23:00
Need ! will give 20 points! what are two ways that diatoms differ from slime molds? the external coverings of diatoms are made up of (silica, chitin or peptidoglycan), while slime molds have cell walls containing (silica, peptidoglycan or chitin). diatoms are (chemoheterotrophs, photoautotrophs or chemoautotrophs) because they make food through photosynthesis, while slime molds are (heterotrophs, phototrophs or autotrophs) because they eat decaying plant matter.
Answers: 3
question
Biology, 23.06.2019 03:00
What 2 continents have the most obvious fit of the coastlines?
Answers: 1
You know the right answer?
1. A fossil is the remains or traces of organisms that have lived in the past. Which statement is tr...
Questions
question
Mathematics, 27.06.2019 23:30
question
Mathematics, 27.06.2019 23:30
Questions on the website: 13722362