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Scrat [10]
3 years ago
15

Two hominid fossils are found in the same rock strata in caves about 10 kilometers apart in France. After radioactive dating, bo

th are found to be about 150,000 years old. What else should be done before they are assigned to the same species?
Answer
Excavate deeper rock layers.
Look for evidence of tool use.
Find more fossils in both caves.
Compare anatomical structures.
Biology
2 answers:
Alex17521 [72]3 years ago
8 0
The best and most correct answer among the choices provided by your question is the first choice or letter A.

<span>Excavate deeper rock layers should be done before the fossils are assigned to the same species.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
stepan [7]3 years ago
4 0

Answer:

pretty sure its D

Explanation:

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New ecosystems have been created by human land use. Please select the best answer from the choices provided T F
LiRa [457]

False,

Reason -

As per the researchers, the various land uses created by man has led to reduction in the diversification of species. As per a study conducted by Stock A. Jhonson, the biodiversity of a local area has reduced by a factor of 14 percent due to varied land use practices. Also the abundance of an organism has also reduced by a factor of 11 percent.

4 0
3 years ago
Read 2 more answers
Aminolevulinate dehydratase (ALAD ) is an enzyme that relies on zinc as a coenzyme. A zinc ion binds to the ALAD active site, wh
slavikrds [6]

Answer:

The correct option is C. It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate.

Explanation:

Co-factors are molecules that are required by an enzyme to perform its function of catalysis. If a wrong co-factor binds to the enzyme then it will change the three-dimensional structure of the enzyme and the substrate will no longer fit into the enzyme. Hence, Option C is the best choice that explains the inhibition of ALAD.

Other options are false because :

Option A: The wrong co factor will not affect the substrate nor will it make it compatible for ALAD's active site.

Option B:  The wrong factor doesn't change the amino acid sequence of the protein or enzyme, rather it changes the three dimensional structure of the enzyme.

Option D : The wrong co factor won't allow the reaction to proceed at a faster rate, rather it will inhibit the reaction.  

6 0
3 years ago
Suppose a bacterial infection kills off most of the prey at point B on the graph. How would this affect the predator and prey gr
larisa [96]
it would affect the growth curves because you see if a bacteria affects predators (that hunt and eat preys) the number of predators would decrease as they would be killed by the infection
Less predators means more preys as they aren’t hunted down as much so they growth curve for preys would be positive while for predators it would be negative
6 0
3 years ago
What part of your school fils up the inside of the cell
Ket [755]

Answer:

1) vacuole= ur school canteen (if u hve one)

2) chloroplast = ur science teachers

3) lysosomes= ur MATH TEACHER!!!!!!!!! lol

4)NUCLEUS=UR PRINCIPAL'S OFFICE

5)Golgi body = ur school bus

6) cell wall= guards at ur school

8 0
4 years ago
The ability of the human body to break down the red color in beets is controlled by an autosomal dominant allele. The inability
Zinaida [17]

Answer:

Explanation:

<em>Let the ability to break down the red color in beets be represented by the allele </em><em>B</em><em>. The inability would be represented by the allele </em><em>b</em><em>.</em>

A nonsecretor's genotype would be BB or Bb while a secretor's genotype would be bb.

A nonsecretor woman with a secretor father would be a carrier with genotype Bb. A nonsecretor man who in a previous marriage had a secretor daughter would also be a carrier with genotype Bb. If the two marries:

            <em>Bb     x     Bb</em>

<em>            BB    2Bb    bb</em>

1.

(a) probability of their first child will be a secretor girl = probability of having a girl and being a secretor.

Probability of having a girl = 1/2

Probability of being a secretor = 1/4

<em>probability of their first child will be a secretor girl</em> = 1/2 x 1/4 = 1/8

(b) Probability of their first child being a nonsecretor girl = probability of having a girl and being a nonsecretor.

Probability of having a girl = 1/2

Probability of being a nonsecretor = 3/4

<em>Probability of their first child being a nonsecretor girl = probability of having a girl and being a nonsecretor</em> = 1/2 x 3/4 = 3/8

2. <em>Probability that their first two children will be nonsecretors of either sex = probability of their first being a nonsecretor and of either sex and probability of their second being a nonsecretor and of either sex.</em>

  = 3/4 x 3/4 = 9/16

6 0
4 years ago
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