(i put a file so it makes more sence)
Assignment: The Arms of a Sea Star Exploration
Da...
![subject](/tpl/images/cats/biologiya.png)
(i put a file so it makes more sence)
Assignment: The Arms of a Sea Star Exploration
Data Table 1: Arm Lengths of Sea Stars at Particular Years
Sample Number
Year 1
Year 50
Year 100
1 57 cm 62 cm 75 cm
2 62 cm 74 cm 77 cm
3 75 cm 77 cm 80 cm
4 78 cm 80 cm 80 cm
5 82 cm 81 cm 81 cm
6 88 cm 83 cm 83 cm
7 90 cm 88 cm 85 cm
8 95 cm 89 cm 88 cm
9 105 cm 90 cm 88 cm
10 110 cm 92 cm 90 cm
11 110 cm 95 cm 90 cm
Frequency Table 1: Frequency of Sea Star Sizes within Specific Ranges
Size Range
(in cm) Number of Organisms
Year 1 Number of Organisms
Year 50 Number of Organisms
Year 100
51–60 1
61–70 1
71–80 2
81–90
91–100
101–110
Size Frequency of Sea Stars, Year 1
7
6
5
4
3
2
1
0
51–60 61–70 71–80 81–90 91–100 101–110
Intervals (cm)
Size Frequency of Sea Stars, Year 1
7
6
5
4
3
2
1
0
51–60 61–70 71–80 81–90 91–100 101–110
Intervals (cm)
Size Frequency of Sea Stars, Year 50
7
6
5
4
3
2
1
0
51–60 61–70 71–80 81–90 91–100 101–110
Intervals (cm)
Size Frequency of Sea Stars, Year 100
7
6
5
4
3
2
1
0
51–60 61–70 71–80 81–90 91–100 101–110
Intervals (cm)
Questions
1. What change do you see over the 100-year period?
2. Suggest one reason why this change might have occurred.
3. If this population continued for the next 100 years with no changes in arm length, what could you say about these sea stars?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 15:30
Skulls of (1) modern gorilla, (2) australopithecus afarensis, (3) homo erectus, (4) homo neanderthalensis, (5) homo sapiens based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ? (2 points)
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 19:00
Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:00
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:20
What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40
![question](/tpl/images/cats/geografiya.png)
Geography, 28.01.2021 21:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.01.2021 21:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40
![question](/tpl/images/cats/en.png)
English, 28.01.2021 21:40
![question](/tpl/images/cats/biologiya.png)
Biology, 28.01.2021 21:40
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40
![question](/tpl/images/cats/biologiya.png)
Biology, 28.01.2021 21:40
![question](/tpl/images/cats/biologiya.png)
Biology, 28.01.2021 21:40
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2021 21:40