Biology, 31.08.2020 21:01 kuuleiisrad
You are working with a research group and discover fossils of large animal. Upon close examination, it looks to be a
mammal and an ancestor to the modern tiger, that you temporarily name “Species X’until you learn more about it. Using
your knowledge of the fossil record, you attempt to determine its relative age. You know that
evolved before
species X,
had already evolved and gone extinct before species X evolved, and
did not evolve
until after species X went extinct.
. A. Winged insects, Dinosaurs, Humans
B. Trilobites, Reptiles, Birds
C. Humans, Dinosaurs, Flowering plants
.
.
D. Dinosaurs, Invertebrates, Land plants
Answers: 2
Biology, 22.06.2019 01:30
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
Answers: 2
Biology, 22.06.2019 20:10
All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.
Answers: 1
Biology, 22.06.2019 20:50
Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked
Answers: 1
Biology, 22.06.2019 22:00
You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.
Answers: 1
You are working with a research group and discover fossils of large animal. Upon close examination,...
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