A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches show a death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) * Yes, this is a suitable habitat. The birth rate is higher than the death rate. No, this is not a suitable habitat. The birth rate is much lower ten the death rate. 589 -358 0.155 0.845

A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches show a death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) * Yes, this is a suitable habitat. The birth rate is higher than the death rate. No, this is not a suitable habitat. The birth rate is much lower ten the death rate. 589 -358 0.155 0.845

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter19: Population And Community Ecology

Section: Chapter Questions

Problem 2ACQ: Figure 19.6 If the major food source of seals declines due to pollution or overfishing, which of the...

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Figure 19.6 If the major food source of seals declines due to pollution or overfishing, which of the following would likely occur? a. The carrying capacity of seals would decrease, as would the seal population. b. The carrying capacity of seals would decrease, but the seal population would remain the same. c. The number of seal deaths would increase, but the number of births would also increase, so the population size would remain the same. d. The carrying capacity of seals would remain the same, but the population of seals would decrease.
A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches showa death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) O Yes, this is a suitable habitat. The birth rate is higher than the death rate. D No, this is not a suitable habitat. The birth rate is much lower than the death rate. 589 -358 a 0.155 O 0.845 Which of the following is true of a population approaching its carrying capacity? O The population's rate of increase approaches zero. ロロロロロ □
A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches show a death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) * Yes, this is a suitable habitat. The birth rate is higher than the death rate. No, this is not a suitable habitat. The birth rate is much lower then the death rate. 589 -358 0.155 0.845 Which of the following is true of a population approaching its carrying capacity? The population's rate of increase approaches zero. ロロロ□
C5 x P Parchment Exchange - Leader earn.edgenuity.com/player/ ence- SC5181 A G 5 Mark this and return G how would scientists describe th Why is random distribution of species the least common pattern? O It eliminates the protection benefits provided by a large group. O It decreases competition among members of the population. O It reduces the amount of light that producers can get from the sun. OIt does not mirror how resources are distributed in nature. X O Σ how is point intercept used to de x + Save and Exit Next 0 < English Sign out v ☆ E. 0 Kinley He Submit Oct 27 2:08
- SC5 X P Parchment Exchange - Leader in X G how would scientists describe th x e.learn.edgenuity.com/player/ Science - SC5181 A 1 2 5 How would scientists describe the density of a population? O 47 giraffes living on the African savanna O 194 nematode worms in a given area of soil O 1,500 frogs living in a large pond O6,000 starlings flying in a flock going south Mark this and return how is poir
ntal Science-SC5 X active + r19.core.learn.edgenuity.com/Player/ nmental Science - SC5181 A 11 3 ال Mark this and retur Which of the following examples could help reduce competition between two species? O Prevent one species from mating regularly O Allow each to occasional access to a limited resource O Introduce another species into the ecosystem O Separate them with a physical barrier C 12 $ 14 15 16 17 4 % 18 19 20 5 M Oll 6 31 DELL O O Save and Exit Next 9 < ★ English & 08080808BA 7 Submit Oct 6 ☐ I Kinley Heath X 3:59 A ů backs
gyemang@bhrs X DEYTMntSq3aYWCUqtaBxfG-boRU0hP45EYnjLqWI/edit ticks & Working offline d-ons Help Arial BIUA o 三ー三1 11 1. 3 61 9. If you were to remove barberry from an ecosystem, what are your predictions regarding the number of ticks, white-footed mice and owls? Explain your reasoning.
Below is a table that shows the changes in a population of domesticated rabbits. What is the most likely explanation for why size of the rabbit population remained relatively constant from 1990-1992? Year 1986 1987 1988 1989 1990 1991 1992 Population 601 732 769 800 816 815 816 O a. The population suffered from a new disease O b. A new predator was introduced c. The rabbit's prey source was killed off due to hunting o d. The population reached its carrying capacity
7. An 'overshoot' in a population occurs when * the mortality of the population exceeds the natality. O the replenished resources in an ecosystem equals the natality. the natality of the population does not decrease with respect to the replenished resources. O the ecosystem is damaged or destroyed. 8. Which of the following is most likely to occur if there is an 'overshoot' in a population? * O Rate of immigration of individuals increases. O Competition occurs and there is a rapid decrease in the population. The ecosystem will collapse because of the limited resources. The species will be endangered.
An ecologist studied how many kangaroo rats could be supported in two different habitats, a high‐quality habitat and a low‐quality habitat. The ecologist estimated the per capita benefit in each habitat, or patch, as the number of individuals increased. How many individuals must move to the high‐quality patch before an individual moves to the low‑quality patch? Find Number of individuals? Number of individuals High-quality patch per capita benefit Low-quality patch per capita benefit 1 10.0 5.0 2 7.9 4.3 3 6.5 3.7 4 5.4 3.2 5 4.5 2.9 6 3.9 2.6 7 3.4 2.4 8 3.0 2.2 9 2.7 2.0 10 2.4 1.9
The per capita growth rate of a population where dispersal is not a factor is expressed as (a) i + e (b) b d (c) dN/dt (d) rN(K N) (e) (K N) K
Think back to Section 44.6. When researchers moved guppies from populations preyed on by cichlids to a habitat with killifish, the life histories of the transplanted guppies evolved. They came to resemble those of guppy populations preyed on by killifish. Males became gaudier; some scales formed larger, more colorful spots. How might a decrease in predation pressure on sexually mature fish allow this change?