Please answer all multiple choice, im not sure about some of them 1. Mosquitoes

Question

Please answer all multiple choice, im not sure about some of them 1. Mosquitoes that transmit malaria pick up what stage(s) when feeding on the blood of a patient ill with malaria? A microgametocytes and macrogametocytes that mature into gametes in the insect h B. sporozoites from the oocysts C. merozoites that escape from the red blood cells D. hemozoin stored in red blood cells E. trophozoites in red blood cells 2. Which best describes a control group in an experiment? A group with the condition that is being tested b) A non-random sample taken through all experimental steps c A variable that is being deliberately varied in the experiment d) A group that lacks the disturbance experienced by the experimental group 3. Giardia lamblia causes A. malaria in both humans and birds; is carried by mosquitoes. B, dysentery and intestinal ailments; is found in contaminated water. African sleeping sickness; is carried by the tsetse fly. D. birth defects; is caused by mosquitos. 4. Birds and bats are winged vertebrates. The wings of these two animals are: a) homologous b independently evolved c) inherited from their common ancestor d) very similar in the details of their structure e) identical in structure, but bats lost their feathers 8 million years ago 5. Legglessness occurs in many reptile and amphibian species bu the legless taxa are widely dispersed across both the reptile and amphibian clades. Which feature outlined below is the best explanation for the distribution pattern of leglessness? a) legless taxa share a habitat or life style, but not a legless common ancestor b) leglessness evolved in one taxon that later speciated many times cr leglessness is a homologous character d) leglessness evolved in a common ancestor of reptiles an amphibians , legless taxa all always lose all 4 legs; there is no partial limb loss 6. Suppose that two closely related species both release gametes into the ocean in the same place at the same time. Which of the following methods of reproductive isolation could be effective in preventing gene flow between the two species? a) gametic isolation b) mechanical isolation c) hybrid sterility d) a and b e) a and c

Explanation / Answer

1.
Correct option:
A. microgametocytes and macrogametocytes that matures into games in the insect host.
2.
Correct option:
D. A group that lacks the disturbance experienced by experimental group
3.
Correct option:
B. dysentery and intestinal ailments is found in contaminated water.
4.
Correct option:
B. Independently evolved
5.
Correct option:
A. Legless taxa share a habitat or lifestyle, but not a legless common ancestor.
6.
Correct option:
d) a and b

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