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Provide two explanations as to why the densities of the beetles may be different in each habitat in no more than 100 words.
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- 1) Analyse the following experimental set-up (illustrated in Figure 1) a) A wild-type (WT) bacterial strain is sensitive to the antibiotic X (Ant X) (Figure 1A) b) You have grown the WT strains in 3 independent liquid cultures (C1, C2 and C3) for 24 hours (Figure 1B-Passage 1) c) Following this initial growth, C1, C2 and C3 cultures are subcultured in 9 independent cultures and grown for 24 hours (Figure 1C Passage 2). Subsequently, cultures are plated on Non-Selective (N/S) solid media and media with Ant X (+ Ant X). The number of colonies grown in each plate are shown (Figure 1C) Use the above information to discuss: a. the type of mutations (if any) that have been arisen during the experiment. b. When did the mutations ariseb) Figure 7 shows population growth of Proboscis monkeys over time. 2.0E carrying capacity V 1.5- Monkey populations 1.아- 0.5- Time Figure 7 i) State the type of population growth. ii) Proboscis monkeys nomally live in groups in their natural habitat. What is the dispersion pattern for this monkey population? iii) Describe what happens to Proboscis monkey population at V. 12 iv) Give one (1) possible example of density-dependent factor that affects the Proboscis monkey population.Which of the 4 competition isoclines shown above indicates a stable coexistence? N₁ 1 Case 1 K кг K 2 21 Case 3 K 2 21 K 1 O Case 1 O Case 2 O Case 3 O Case 4 K N N 2 2 2 K ·2 K 12 K 12 N K 2 21 NI KI K Case 2 K кг 1 Case 4 1 21 N. K 1 2 12 N 2 K 2 K & 12 K 2
- 會 事 3 of 6 Base your answers to questlons 14- 16 on the Information below and on your knowledge of blology. Unless actions are taken to slow the decline of domesticated honeybees and augment [increase] their populations with wild bees, many fruits and vegetables may disappear from the food supply, said Claire Kremen, a conservation biologist at Princeton University in New Jersey.. The honeybee decline, which is affecting domesticated and wild bee populations around the world, is mostly the result of diseases spread as a result of mites and other parasites as well as the spraying of crops with pesticides, scientists say. Source: "Bee Declines May Spell End of Some Fruits, Vegetables," National Geographic News, October 5, 2005 14. The decrease in the honeybee population is partly due to A. the use of pesticides B. the use of fertilizers C. a decrease in prey D. a decrease in fruits and vegetables 15. "Diseases spread as a result of mites" would be considered a factor. A. density…Direction: Analyze the situation and tell what limiting factor is being described. Choose in the box below the type of limiting factors. Mortality Natality Emigration Immigration Situation Limiting Factor 1. Every year, there's an increase in the population of migratory birds in Candava. Pampanga. 2. The increase of the population of frogs during rainy days. 3. Russian population decline due to Covid-19 effect. 4. Decrease in the population of birds when they move to another place due to unfavorable weather conditions. 5. The population in the Philippines increases due to teenage pregnancy.Answer true or false 1. Parasitism, once considered a symbiotic relationship, is now considered a form of predation. 2. Dominant species exert less control over the occurrence and distribution of other species. 3. Members of a population engage in intraspecific competition which is a major factor in limiting both fecundity and survivorship. 4. Dominant species are most competitive in exploiting resources 5. Food webs can be simplified by grouping species with similar trophic relationships into broad functional groups
- RD9 TBD1 0.99 RD7 RD8 RD10 0.99 0.99 M. canettii L4 12 13 L1 L7 L5 b Chimpanzee bacillus M. bovis M. caprae L6 ¹ M. pinnipedii Ancient Peruvian human remains M. microti M. mungi M. suricattae Dassie bacillus M. orygis 0.005 Gagneux 2018 Nat Rev Microbiol In this figure you can see a phylogenetic tree of Mycobacterium tuberculosis, the causative agent of tuberculosis (TB) and a few related mycobacteria. (You may or may not have seen this figure in a previous question in this exam.) In the tree, the M. tuberculosis lineages that are currently circulating in humans are indicated in color and are named L1 to L7. The pie charts on the world map indicate for each of these lineages where they occur. In the phylogenetic tree, names of Mycobacterium (M.) strains derived from non-human animals and from an ancient Peruvian mummy are written in full and are not colored. Which of the following statements is correct? The L4 lineage is more closely related to the L3 lineage than to the L2 lineage…Activity 4. Make a Dichotomous Key. Make a Dichotomous Key for the animals illustrated below https://www.flickr.com/photos/queenslandstatearchives 137884088126 https:pixabay.com/vectors/biodiversity earthworm fertilizer-160380 https:Weommens.wikimedia.arg/aiki/File:CSIRO_Seienoeimage 2186 ARed ackSprderjpg https://en.wikipedia.org/wiki/Tamaraw %3D II IV7) The following data has been obtained from the coastal haddock (Melanogrammus aeglefinus) fishery of Maine. The fishing season was divided into 10 periods. Period Catch per Period 1 208 2 195 3 168 4 132 5 91 6 80 7 63 8 56 9 48 10 33 It was also recorded that five fishing trawlers were in operation during each period of the fishing season. Question: What was the size of the haddock population originally available to the fishery?
- PstI 3607 3000 4000 amp ori HindIII 177 185 EcoRI 4359 0 29 EcoRV pBR322 4361 bp 2295 1 NdeI 2000 BamHI / tet 375 651 SalI 1000The following data is from a prospective cohort study examining the association between air pollution exposure and lung cancer. Calculate the Attributable Risk Percent. Lung Cancer Cases No Lung Cancer Exposed to Air 550 600 1150 Pollution Unexposed to Air 150 700 850 Pollution Total 700 1300 2000 O 63.1% O 302 per 1,000 30.2% O 2.7Illuminate Home Connection Question 3 | 2020-2021 Scienc x c8f9098c078b6dcc/3?rldbqn=1 EReading lis C.. O Nearpod - 12.17.20 Signed in as: Aiden Hunter Q Review / v Finish Test ABC Question 3 A scientist claims that orchid populations will be smaller in areas that have an average spring temperature of 9°C compared to areas that have an average spring temperature of 7°C. Which argument BEST supports this claim? sa at ak gure ak Orchid populations will be smaller at higher temperatures because the probability of male pollinating bees arriving before orchid flowering is lower. This will result in decreased orchid reproduction and smaller populations. A Orchid populations will be smaller at higher temperatures because the probability of male pollinating bees arriving before orchid flowering is lower. This will result in increased orchid reproduction and smaller populations. Orchid populations will be smaller at higher temperatures because the probability of male pollinating bees arriving…
