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- 5)How does the number of different prey species available to an organism affect the number of offspring it can produce in a breeding season? a)Population b)Community c)EcosystemWhich of the following sexual traits is LEAST likely to have evolved due to male-male competition for mates, also known as intraspecific sexual selection?a) Enlarged femurs that an insect uses to kick other malesb) Brushes on the tip of a dragonfly penis used to remove sperm of other malesc) Mate-guarding behavior of a warbler during the female’s fertile periodd) Elongated tails of the male swordtail fish used during courtship1)Questions related to population dynamics look at which aspect of a population? a)The factors that determine the maximum population size that can be supported in an environment b)How diseases are transmitted through a population c)How the genetics of a population change over time d)How & why population size changes over time e)How the number of species in an environment changes over time
- Which of the following statements are true? a. ) Almost all invasive species are plants. b. Invasive species multiply rapidly and may displace native species in a community. c. Invasive species have no predators or parasites in their new ecosystem d. All introduced species are invasive. e. In sexual reproduction, the offspring have the same combinations of genes as their parents. f. Sequential hermaphroditism occurs when an animal is one sex during one phase of its lifecycle and the opposite sex during another phaseWhat are the negative effects of shark finning on the ecosystem? (Please be specific and answer in paragraph form)A mother duck gives birth to nine new ducklings. The mother duck introduces her baby ducklings to the pond after their birth. The pond is filled with ducks. What must the ducklings learn to do in order to survive in its new surroundings? A) Depend on the other ducks to take care of them B) Swim slower than the other ducklings in the habitat C) Camouflage themselves in the new environment D) Compete with the other ducks for resources
- Explain why sexual cannibalism represents an evolutionary paradox.All of the following strategies would potentially help restore populations of wild salmon except Group of answer choices a)planting vegetation along the sides of streams. b)fencing areas along stream where cattle graze. c)removing wood from streams to allow access for spawning adults. d)increasing education about water pollution. PreviousNextWhich of the following could explain the seasonal difference in the diet of squirrels? Question 3 options: a) The seasonal change in the relative abundance of blackberries and acorns in their habitat. b) The difference in size between blackberries and acorns. c) The difference in the nutritional composition of blackberries and acorns. d) A and B e) A and C
- Which of the following biological interactions can be considered interspecific mutualism? Question 7 options: a) A population of mussels that have their population size regulated via starfish predation b) A relationship between two individuals from different species and from which only one benefits c) A lamprey feeding on the blood of a lake trout d) Two lions cooperating with each other while hunting e) Pollination from a hummingbird feeding on a flowerWhich of the following biological interactions can be considered interspecific mutualism? a) A relationship between two individuals from different species and from which only one benefits b) A population of mussels that have their population size regulated via starfish predation c) Pollination from a hummingbird feeding on a flower d) A lamprey feeding on the blood of a lake trout e) Two lions cooperating with each other while huntingIdentify the demographic transition stage for a country that has an age structure consisting of a large number of people in the pre-reproductive age group due to continuous births , but also has a small amount of people in the elderly population due to death rates falling. a) Stage 1 b) Stage 2 c) Stage 3 d) Stage 4