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emmainna [20.7K]
2 years ago
15

Paleontologists examine fossils embedded in sedimentary rock to help trace the history of animals that exist today and animals t

hat have become extinct. What can the fossil record tell us about animals?
A. How animal behavior changes in response to new habitats

B. How animals have changed in different ways over time

C. Why animals all over the world look very different

D. Why all species of animals get larger over time
Biology
1 answer:
denis-greek [22]2 years ago
5 0

Answer:

B . Ex: A ancestor of megalodon shark was discoverd

and was compared with the meg , there were some resebelance

Explanation: Fossils can tell how animals evolved over time , and much more  

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A botanist has discovered a new plant species and is trying to classify the plant. Its seed has one cotyledon, it has six flower
lana66690 [7]

The best suited group for the mentioned plant is Angiosperms and monocot.

Answer: Option C

<u>Explanation:</u>

As mentioned the seed of the plant has one cotyledon and the specific name for these type of plants whose seeds has one cotyledon is called Monocot, Suppose if the seed of the plant has two seeds, It is called dicot.

Hence we can conclude that the mentioned plant comes under monocot and not dicot.  On the other hand, Angiosperms refers to the plants that has flowers with it and gymnosperms usually includes plants without flowers and hence we can classify the plant as Angiosperm and monocot.

6 0
2 years ago
A 100 kg box is initially at rest on a level surface. One 10 N force acts on the box , directed toward the right. A second 10 N
Paladinen [302]

Answer:

The box will not move because balanced forces are acting on it.

Explanation:

According to Newton's first law of motion, an object will remain in its state of rest or motion along a straight line unless acted upon by an unbalanced force.

An unbalanced force is an individual force acting on any side of an object which is not balanced by a force of equal magnitude acting in the opposite direction.

From the image, two forces of equal magnitude of 10 N are pulling the 100 kg box in opposite directions. Since the two forces, 10 N each are pulling the object in opposite directions, they are balanced forces. Therefore, the box will not move because balanced forces are acting on it.

5 0
2 years ago
The cactus has a specialized fleshy stem that is specialized to store water for long periods of time. Which plant tissue most li
LiRa [457]

Answer:

If I were to guess its probably Vascular

Explanation:

7 0
1 year ago
Read 2 more answers
he sequence of this single strand of DNA is ATTCGGCTATTTACGATTGCCAT. To complete this model, what should the nucleotides on the
Ugo [173]

Answer:

TAAGCCGATAAATGCTAACGGTA

Explanation:

Adenine (A) pairs with Thymine (T) [Apples grow on Trees]

Cytosine (C) pairs with Guanine (G) [Cows eat Grass]

Therefore using this complimentary bonding system we just assing each nucleotide its complimentary pair

ATTCGGCTATTTACGATTGCCAT ----- Original Parental strand

TAAGCCGATAAATGCTAACGGTA ------- New strand

5 0
2 years ago
9. Look closely at the illustration above. a. What process is occurring? b. What is being made? c. How can you tell?
mars1129 [50]
The answers are:

A. DNA replication in the nucleus of a cell
B. From one helix of DNA in a replication process, we get two: The DNA is a double helix and it consists of two strands of specifically connected amino-acids. When the time for replication comes, a set of enzymes unwind the two strands and leave them as a base for additional two strands attaching to them - the green line is an example of that. The free nucleotides - adenine, guanine, thymine and cytosine are left open and the enzyme called DNA-polymerase helps to produce a new strand on the template of the old parental one (one of the blue ones in the picture) 
C. By the location on the smaller picture - replication takes place in the nucleus. And the most important hint are the letters A - adenine, G - guanine, T- thymine, and C-cytosine. A connects with T, and G connects with C. 
4 0
2 years ago
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