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Finger [1]
3 years ago
6

It is believed that neutral mutations (mutations that have neither a positive or negative effect) accumulate at a exponential ra

te over time.
True

False
Biology
1 answer:
Alja [10]3 years ago
8 0

Answer:

verdadero

Explanation:

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This article discusses a group of scientists who are studying an ecosystem. What ecosystem are the scientists studying?
Y_Kistochka [10]

Answer:

This article discusses a group of scientists who are studying an ecosystem. What ecosystem are the scientists studying? A the Hudson River ecosystem.

Explanation:

6 0
2 years ago
1.)What is an interesting fact about wildlife biologists?
oee [108]

Answer: Below::

Explanation:

1) Most job sites for wildlife biologists are at a state or federal agency/ level.

2) A Bachelor of Science Degree

3) Wildlife Biologists study wildlife (such as animals and plants) and how they interact with their ecosystems. On land and in water.

6 0
2 years ago
"Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA
Dima020 [189]

Answer:

G - 21%

T - 29%

A - 29%

Explanation:

Nucleotide bases in DNA are complementary. Adenosine (A) binds to Thymine (T) while Cytosine (C) binds to Guanine (G). Hence the composition of A in DNA is the same as that of T; and that of C is the same as that of G.

From the information given, C is 21%

Therefore G is also 21% of the genome as  C is bound to G, the therefore are the same proportion.

C and G make up 42% of the genome (that 21% + 21%).

The remaining 58% (100%-42%) is made up of A + T

Similarly the proportion of A is equal to that of T,

Hence A is 29% (half of 58%) and T is 29%.

4 0
3 years ago
Read 2 more answers
Why is the Lancelet a chordate, but not a vertebrate?
nika2105 [10]

Lancelet is a chordate but not a vertebrate because it lacks a backbone

Explanation:

The subphyla of the phylum Chordata are - Vertebrata, Urochordata and cephalochordate

Those chordates with a structural backbone belong to Vertebrata.

Urochordates and cephalochordates lack a backbone and hence are termed invertebrate chordates.

Lancelet is an invertebrate chordate of the subphylum – Cephalochordata.  

The lancelets consist of a notochord that extends right from the head till the tail at the dorsal surface. The notochord acts like the backbone and provides support and a semi-flexible structure to aid in the movement of the organism.

They lack a developed nervous system like vertebrates but only has a dorsal nerve tube .

4 0
2 years ago
A moistened swab rubbed onto a persons forearm then onto a nutrient agar plate with 7.5% NaCl would most likely result in the is
Nataly [62]

Answer:

Staphylococcus Spp

5 0
3 years ago
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