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iVinArrow [24]
3 years ago
15

Question 8 (1 point)

Biology
1 answer:
almond37 [142]3 years ago
8 0

Answer:

False

Explanation:

No need for one.

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How scientists use repeated trials and replication in conducting experiments
puteri [66]
Scientists repeat the experiment to further prove it being correct, and they can replicate is with data, models, and other forms of proof of a correct hypothesis
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3 years ago
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You want to estimate the number of canvas backs (a type of duck) at the Sacramento Wildlife Refuge. In two days you capture 200
Vsevolod [243]

Answer:

Option A 400 individuals

Explanation:

Using this formula, we can estimate the population size of the canvas backs as this is a capture-recapture method.

N = (MxC) / R

Where N = estimated Number of individuals in the population

M = number of individuals captured and Marked = 200

C = total number Captured the second time (with and without a mark) = 200 and

R= number of individuals Recaptured (those with a mark) = 100

Thus, we have

N = (MxC) / R

= (200 x 200) / 100

= (40,000) / 100

= 400 individuals.

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3 years ago
The central nervous system _____________________.
slamgirl [31]

includes the brain and spinal cord

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Which of the following pairings of phylum and description is incorrect? A Echinodermata—bilateral symmetry as a larva, coelomate
Flura [38]

Answer:

Porifera—gastrovascular cavity, coelomate.

Explanation:

Sponges do not contain digestive system but obtain nutrients through the diffusion process. Porifera is the most commonly asymmetrical in nature but can also have radial symmetry. Porifera has no coelom.

Lacking a true digestive system, they depend on the intracellular digestive processes of their choanocytes for their energy intake. Gas exchange, circulation, and excretion occur by diffusion between the water and the cells.

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