Tiêu đề UNIT 10 THE ECOSYSTEM GRADE 11 TEST 2.docx ✅

b. Each creature plays its unique part in this magnificent performance, from the smallest microbe to the mightiest whale. Their combined voices create a masterpiece of biological music that has echoed through the ages. c. In nature's grand concert hall, an eternal symphony unfolds, conducted by the invisible hand of life itself. The wind whistles through ancient trees, creating a melodious backdrop for nature's orchestra to perform its timeless piece. d. This natural symphony reminds us of our place in the grand orchestra of existence, where every living being contributes to the endless song of life on Earth. e. The seasons mark movement changes in this endless composition, from spring's gentle awakening to winter's solemn finale. Rivers add their flowing notes, while ocean waves crash in a thunderous bass. A. c-a-e-b-d B. a-b-c-e-d C. b-a-e-c-d D. e-c-b-a-d Question 17: a. From the visible partnerships between flowering plants and their pollinators to the complex social networks of ant colonies, nature's interconnections manifest in countless forms. In the canopy of rainforests, lianas and vines create living bridges between trees, enabling countless species to thrive. b. This magnificent web of life reminds us that no creature exists in isolation, and every species contributes to Earth's biological symphony. Understanding these connections is crucial for preserving our planet's delicate balance. c. Beneath the surface of our planet lies an intricate web of life, where countless species are bound together in an endless dance of mutual dependence. Like threads in a cosmic tapestry, these connections weave through every ecosystem on Earth. d. Hidden from naked eyes, microscopic fungi form vast underground networks, linking trees in what scientists call the "Wood Wide Web." Through these living pathways, plants share nutrients and information, supporting their forest communities. e. Each species in this living network plays a crucial role, from the smallest soil bacteria to the largest whales in our oceans. These relationships have evolved over millions of years, creating perfectly balanced ecosystems. A. c-d-e-a-b B. c-b-e-a-d C. c-a-d-e-b D. c-e-b-d-a Read the following passage about Exploring the Hidden Connections in Earth's Ecosystems and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22. Earth's ecosystems represent an intricate web of life, (18)_________ that continue to amaze scientists. Deep beneath the forest floor, vast networks of fungi, which serve as nature's internet, connect trees in an underground communication system that facilitates nutrient sharing and warning signals. These microscopic connections highlight nature's remarkable capacity for cooperation and mutual support. If this delicate balance were to be disrupted, (19)_________, affecting species at every level of the food chain. The ocean currents transport essential nutrients across vast distances, and these life-sustaining
elements support diverse marine communities from polar regions to tropical waters. In the rainforest canopy, (20)_________, contributing to forest regeneration and biodiversity maintenance. Scientists have discovered that even the smallest organisms play crucial roles in maintaining ecosystem health. (21)_________, while pollinating insects ensure the reproduction of countless plant species. Moving through their territories and marking specific locations, (22)_________. The complex dance between predator and prey, plant and pollinator, and decomposer and nutrient cycling creates a symphony of life that extends far beyond visible boundaries. These interconnected relationships demonstrate how local ecosystem dynamics contribute to broader global patterns, creating a planetary web of life that transcends geographical and biological boundaries. Question 18: A. countless species and natural processes were binding together in ways B. countless species and natural processes bound together in ways C. where countless species and natural processes are bound together in ways D. which countless species and natural processes are bound together in ways Question 19: A. having cascade throughout the entire ecosystem B. that the consequences would cascade throughout the entire ecosystem C. which the consequences would cascade throughout the entire ecosystem D. the consequences would cascade throughout the entire ecosystem Question 20: A. primates climb through the oceans and collect seeds from deep waters B. branches swing through the primates and throw seeds into space C. primates float through the clouds and plant seeds in the atmosphere D. primates swing through the branches and disperse seeds across wide areas Question 21: A. Soil bacteria absorb vital nutrients and create organic matter B. Soil bacteria break down organic matter and release vital nutrients C. Organic matter breaks down soil bacteria and stores nutrients D. Soil bacteria freeze organic matter and block vital nutrients Question 22: A. large predators help regulate prey populations and maintain ecosystem balance B. regulating prey populations and maintaining ecosystem balance C. having regulated prey populations and having maintained ecosystem balance D. regulated prey populations and maintained ecosystem balance Read the following passage about Decoding the Architecture of Sustainable Ecosystems and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 23 to 30.