Use the data (shown in red) to calculate the percent of embryos that developed at each pH (questions 27-29) % Developed (fill this column in) pH # of tadpoles # tadpoles+ eggs 10 40 27) 20 43 28) 22 23 29) Use that data in the table above to answer the following questions. What pH had the greatest negative effect on amphibian development? Which pH had the least effect on amphibian development? Based on these results what effect do you think acid rain has on amphibian development?

Q: Please complete the calculations in the following life table of an imaginable rodent. Round up or…

A: Detailed explanation: To calculate the net reproductive rate (R0), generation time (T), and…

Q: Insects that are termed "apterous" possess how many pairs of wings? A. zero pairs (wingless) B. two…

A: OPTION A

Q: How can evolutionary relationships among organisms be determined by comparing embryonic development?…

A: An embryo is defined as an animal's early stage of growth and differentiation characterized by…

Q: Use the following passage to answer the next two questions. Ducks are aquatic birds. Their feet are…

A: Introduction:-  Ducks are aquatic birds and do have webbed feets. It is believed by biologists that…

Q: Which of these is the correct explanation of mass change in developing eggs as illustrated in the…

A: The eggshell contains >1000 pores. The metabolic activities of the embryo require energy.

Q: What are some of features that are consistent across multiple groups of vertebrates? Cite 3 examples…

A: The features that are consistent among vertebrates are notochord, dorsal hollow nerve cord,…

Q: Explain the reason why modern biologists can more easily accept that a mammal can have some reptile-…

A: Mammalia is the class of mammals. They are warm-blooded creatures that control the terrestrial…

Q: Imagine if centaurs were real. Make a Cladogram (Evolutionary Origin) showing its closest relatives…

A: The cladogram is a family tree that shows the evolutionary relationship between different species.…

Q: Based on the anatomical evidence from the photos below, create a claim about which modern organism…

A: The change in the heritable characteristics of the species across many generations is called…

Q: Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a)…

A: Introduction  A dichotomous key is a useful scientific tool for identifying various organisms based…

Q: Use the information and diagram to answer the following question. Scientists discovered a…

A: Life started in water and hence when life transitted from water to land, there were and still are…

Q: During embryonic development, which type of cleavage pattern leads to the development of a bird?…

A: In developmental biology, embryonic development, also referred to as embryogenesis, is that the…

Q: Mrs. Robinson is comparing the embryos of parrot fish and salamanders. Although the adult organisms…

A: In evolutionary biology, a concept of common descent in which multiple species originate from a…

Q: Use the evolutionary tree below to answer the questions that follow.         a.   What number…

A:

Q: Reset Help True The common ancestor of lamprey and lancelets had a vertebral column. False Leopards…

A: A cladogram is a  phylogenetic diagram that classifies organisms according to shared…

Q: Answer the question given the following information.

A: Amphibians belong to the Amphibia class. Frogs (including toads), salamanders (including newts), and…

Q: mussel lives in fast-moving waters.    Question 2 options:   Dark coloured shell   Heavy, thick…

A: Adaptations that likely indicate a mussel lives in fast-moving water is-------- Increased number of…

Q: Based on your observation of the whale diagram and your understanding of evidence that supports…

A: There are many evidences of evolution . It include :- A ) Evidence from fossil record B )…

Q: Which of these characteristics best promoted the survival of offspring in reptiles, birds, and…

A: Reptiles are vertebrates that are covered in special skin made up of scales or bony plates. They are…

Q: Enumerate and describe types of fish scales and give the animal source. (Explain in 1-3 sentences)

A: Fish scales are small, rigid plates that grow out of the skin of a fish. They provide protection…

Q: Interpret the graph shown in the image associated with the averages shown in the table.

A: Graphical representation of data is one of the useful tool to explain the trend during specific…

Q: Of all birds, the flightless kiwi has the highest proportion of yolk in its eggs and the longest…

A: Eggs are the products of fertilization and house the developing embryo .

Q: You want to test if oxygen consumption rates are different in males and females of a newly…

A: solution---- The maximal oxygen consumption rate (VO2 max) is a measure of how much oxygen is used…

Q: Among the tetrapods, reptiles evolved a key adaptation that allowed them to become fully independent…

A: Evolution is the process of change over time in the inherited characteristics of a population of…

Q: The sex of sea turtle offspring is determined by temperature during development. Temperature over…

A: Sea turtles are otherwise called marine turtles. They are of different sizes,shapes,and colors. They…

Q: Larval development is common among marine crustaceans but very rare among freshwater ones. Can you…

A: The first step in hypothesizing why larval development is common among marine crustaceans but rare…

Q: The chelipeds of prawns are quite diminished in size when compared to crayfish and…

A: Prawns :-Prawn is the common name used for small aquatic crustaceans. It has an exoskeleton and 10…

Q: The function of the amphibian larval stage is to allowa. extended development of the…

A: The function of the amphibian larval stage is to allow escape from predation. (c.)

Q: Flight in birds developed over time due to multiple evolutionary steps. The development of feathers,…

A: Evolution is a result of adaptation to environmental cues. For an organism to develop certain…

Q: Which of the following answer choices describes the pattern of nutrition used by embryos of birds?…

A: oviparous creatures, birds lay eggs that serve as the protective environment for the development of…