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Questions in biology

[Homework Help] What is the role of a pioneer species in primary succession? A. to destroy parades B. to provide shade C. to provide fut D. to produce the sol

[Homework Help] Energy can be defined as A. a measure of calories B. a measure of disorder C. the capacity to cause change D. the capacity to cause movement

[Homework Help] Which represents the greatest time frame in which a short-term environmental change can occur? A. in days B. in minutes C. over hundreds of years D. over thousands of years

[Homework Help] Through which conversion is energy released? A. ADP to ATP B. ATP to ADP C. NADP${}^{+}$to NADPH D. $CO _2$ and $H _2 O$ to $C _6 H _{12} O _6$ and $O _2$

[Homework Help] How does population density differ from population size? A. Population size takes all organisms into account, while population density only takes specific age groups of the population into account. B. Population size is the total number of organisms, while population density is the total number of organisms within a given area. C. Population size is the total number of organisms within a given area, while population density is the total number of organisms of a specific age. D. Population size is the total number of organisms of all species, while population density is the total number of organisms of a specific species.

[Homework Help] Exercise 1. Choose the best answer from the given alternatives. a. Which of the following is a flowering plant? i. mushroom ii. mustard iii. moss iv. marchantia b. The underground part of a plant is called the i. root system ii. shoot system iii. soil system iv. stem system c. Parallel venation is found in the leaves of a i. mango ii. apple iii. pea iv. sugarcane

[Homework Help] Skin cancer that originates from skin cells that do not produce pigments are called A. leukemias B. anemias C. carcinomas D. melanomas

[Homework Help] The name for connective tissue that lines the medullary canal. A. Callus B. Endosteum C. Red marrow D. Periosteum

[Homework Help] Where do you find synchondroses that are specific only to children? A. between the radius and ulna B. between the epiphysis and diaphysis of a long bone C. between the vertebrae of the spinal column

[Homework Help] Cancellous or trabecular bone is also called __________ bone.