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julia-pushkina [17]
3 years ago
14

A scientist cites fossil evidence to argue that modern whales evolved from relatively small, land-dwelling mammals. The scientis

t claims that a variety of fossil findings can be ordered in a sequence that demonstrates the evolutionary lineage.
Which analysis of the fossils would be most useful to support the scientist's claim?

A. width and length measurements, which should be the same for homologous bones
B. mineralization analysis, which would identify the specific minerals in each fossils
C. radiometric dating, which would show the absolute age of each fossil
D. biogeography, which should show that all the species lived in the same region.
Biology
1 answer:
Gnoma [55]3 years ago
7 0

Answer: Scientists who study evolution may want to know whether two present-day species are closely related. Evidence for evolution can be structural, genetic, or bio geographical.  Fossil skeletons of horse relatives dating from various time periods. ... of fossils and living species may tell us how modern organisms evolved. so D

Explanation:

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Multiple Choice
Lesechka [4]

Answer:

decreases a plant’s weight

Explanation:

Aerobic respiration is a process of respiration in which oxygen is required and the byproducts of aerobic respiration are carbon dioxide, water and energy.

Plants undergo aerobic respiration and it is a catabolic process in which complex compounds in plants turns into simpler compounds. This process reduces the dry weight of the plants.

Glycolysis is the first step in both aerobic and anaerobic respiration so it is not a typical aerobic respiration.

Hence, the correct answer is "decreases a plant’s weight".

3 0
3 years ago
A condition in which excess cerebrospinal fluid accumulates in the brain is called
svp [43]

Answer:

It's called <em>hydrocephalus</em>.

Explanation:

Hydrocephalus is a condition in which cerebrospinal fluid builds up within the ventricles of the brain and it may increase pressure within the head.

3 0
3 years ago
Mastication is an example of the _______ digestion of food.<br><br> physical<br> chemical
sineoko [7]
Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.
6 0
3 years ago
Describe the basic storage mechanism for DNA using the words histone complex, nucleosome, chromatin and chromosome.
Jet001 [13]

Answer:

Chromosomal DNA is packaged inside microscopic nuclei with the help of histones. These are positively-charged proteins that strongly adhere to negatively-charged DNA and form complexes called nucleosomes. ... Nucleosomes fold up to form a 30-nanometer chromatin fiber, which forms loops averaging 300 nanometers in length.

Explanation:

3 0
3 years ago
1. If a cell has a large surface area to volume ratio, it _______
Stells [14]
1. Exchange materials with its environment efficently
3 0
3 years ago
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