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DIA [1.3K]
3 years ago
8

What is one example of index fossil

Biology
2 answers:
Alex777 [14]3 years ago
7 0

Answer:

Ammonites were common during the Mesozoic Era (245 to 65 mya), They were not found after the Cretaceous period, as they went extinct during the K-T extinction (65 mya).

Explanation:

Flura [38]3 years ago
4 0

Answer: below

Explanation:

Examples of index fossils include: Ammonites were common during the Mesozoic Era (245 to 65 mya), They were not found after the Cretaceous period, as they went extinct during the K-T extinction (65 mya).

index fossil: The trilobite is in all three outcrops (it is widespread) and in only one layer per outcrop (it is short lived.)

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gladu [14]

Second one.

"Unlike the water in lakes and ponds, the water in rivers and streams flows."

6 0
3 years ago
Identify each body part labeled in the diagram.<br> 1<br> 2<br> 3
Brilliant_brown [7]

The body parts labeled in the diagram are the mouth, operculum, and fins respectively.

<h3>Parts of a fish</h3>

The image in the illustration is that of a body fish.

The part labeled 1 is the mouth.

The part labeled 2 is the operculum. It covers the gill of the fish.

The part labeled 3 are the fins. The fins include ventral, lateral, and an-al fins.

More on fishes can be found here: brainly.com/question/20594595

#SPJ1

8 0
2 years ago
In which ways would competition affect the lion’s ability to thrive in the ecosystem?
leva [86]

Answer:

The intraspecific competition affects the lion’s ability to thrive in the ecosystem.

Explanation:

  • Intraspecific competition is the rivalry between the population of same species.
  • These competition among the same group helps in maintaining the population number as well as select only those who are capable of surviving.
  • Mostly in case of young male lions, they compete with other lions for their limited food, shelter and mates.
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3 0
3 years ago
if you knew a particular amino acid sequence, could you figure out the DNA for that sequence? Why or why not?
lesya692 [45]
<span>If you were given the AMINO ACID sequence, you could come up with a working DNA sequence, but even though this sequence may still make the same protein, it may not be the same DNA sequence that the original protein was coded from. This is due to the fact that there 64 different combinations for the four bases in DNA (A, T, C, & G), but only 20 amino acids to code for, therefore there's going to be overlap and there will be different codons that code for each amino acid </span>
5 0
3 years ago
How are the words systems and ecosystems related?
vodka [1.7K]
Ecosystem is dealing with animals & environments.
a system is an order or process of something.
hope this helps!
5 0
4 years ago
Read 2 more answers
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