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tigry1 [53]
4 years ago
10

Evidence for sea floor spreading

Biology
2 answers:
Tju [1.3M]4 years ago
5 0
The rocks near the mid-ocean ridge were younger then rock near trenches. Matching bands of magnetic rocks were found on either side of the mid-ocean ridge; bands like tree ring - record changes in earths magnetic field over time. Earthquake data showed oceanic crust is sinking on to the mantle at trenches.
GuDViN [60]4 years ago
3 0

Answer: The evidences of seas floor spreading are as follows-

  1. The sea floor spreading is taking place because of the constant plate tectonic movement.
  2. The plates moves in opposite direction along the mid oceanic ridge, where new materials are added forming a new young crust.
  3. The rocks that are found near the mid oceanic ridge are younger than the rocks that are found away from the mid oceanic ridge.
  4. The alternating magnetic strips studied on the particles, observed on both the sides of the mid oceanic ridge are identical.
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Lancelets and tunicates
jolli1 [7]
Characteristics of Lancelets:
Small
Elongated
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Lacks a jaw
No sense organs
Has a notochord
Example: Lamprey

Characteristics of Tunicates:
Marine invertebrate
Has an outer coat that is rubbery or hard
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Examples: sea squirts, salps
7 0
3 years ago
Can you help me, answer the vocab. 99 PTS. and Brainleist PLS HURRY AND HELP MEEEE
nata0808 [166]

big bang theory- the theory that states that the universe formed by rapid expansion of matter and energy from an initial infinitely small, dense point

biological species- a group of interbreeding organisms that can produce fertile offspring

eukaryotic cell - a type of cell that has a membrane-bound nucleus and membrane-bound organelles

evolution- the process by which inherited characteristics within a population change over generations

fossil- remains or traces of organisms preserved over long periods of time

geologic time scale- an organizational chart that chronologically divides the natural history of earth into eras and

periods

homologous structures- structures that occur in different species but are similar enough to suggest that the species had a common ancestor

natural selection- the process by which species pass on the beneficial traits that help them survive

prokaryotic cell- a type of cell without a membrane-bound nucleus and without membrane-bound organelles, considered by scientists to be a more primitive type of cell than the more complex eukaryotic cells

selective breeding- the process of breeding organisms with the most desirable traits

speciation- when natural selection leads to an entirely new species

theory- an explanation or model of related natural events that can be tested by observations or experiments

vestigial structures-  structures that appear to have no function for the organism but probably had a function in an ancestral organism

8 0
4 years ago
Which of the following is formed during the light-dependent reaction of photosynthesis? ATP Carbon dioxide Glucose Water
lukranit [14]

Answer:

Glucose

Explanation:

ATP, Carbon Dioxide, and Water are all results of Cellular Respiration and do <em>not</em><em> </em>form during Photosynthesis. These three are actually used in the process of Photosynthesis, so they are not created by it. Plants use photosynthesis to create their own glucose.

5 0
3 years ago
Read 2 more answers
The liver acts to keep blood glucose at a relatively constant level. It takes up glucose from the blood when levels are too high
postnew [5]
Yes, these actions are an example of homeostasis. To fully understand this question you need to know the basic concept of homeostasis. Homeostasis is the body's regulation. What do I mean by that? It's simple, when you have a fever your body's temperature can skyrocket to 100 or more, when you start to sweat or get the chills that's your body's way to cool you down and fight the infection. Another example; when you do any physical activity, you sweat from it depending on the intensity. If you didn't sweat you would probably overheat and that would lead to other complications. Basically when you do exercise you sweat because your body is warm and that's the homeostasis mechanism that helps cool down your body bring it to it's normal temperature. So in end answering your question in more detail by the liver regulating the body by taking glucose in when levels are too high or adding glucose in when levels are too low is an example of homeostasis because the body is regulating itself to come back to it's normal healthy function state.

Hope this helped :)
8 0
3 years ago
In eukaryotes fatty acid breakdown occurs where
makvit [3.9K]

Answer: In the mitochondria.

Explanation: The enzymes of fatty acid break down are located in the mitochondrial matrix. Fatty acid break down occurs in the mitochondria in a process known as beta oxidation. Beta oxidation involves the break down of fatty acids to acetyl CoA. Beta oxidation involves the oxidative removal of successive two carbon units in the form of acetyl CoA .

Acetyl CoA produced enters into the citric acid cycle for the generation of ATP.

8 0
3 years ago
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