young scientists doing research in nature taking sample of water from a river - 生物學家 個照片及圖片檔科學家, 檢查, 黑人種族
marine biologist studying staghorn coral (acropora cervicornis) in cordelia banks. - 生物學家 個照片及圖片檔科學家, 水中, 檢查
close-up of a female scientist looking through a microscope in a laboratory. a biologist or pathologist analyzing a sample to find a medical breakthrough. - 生物學家 個照片及圖片檔顯微鏡, 實驗室, 細胞
marine biologist using antibiotic to treat sick coral affected by stony coral tissue loss disease (sctld) - 生物學家 個照片及圖片檔科學家, 標籤
young scientists doing agricultural research in nature in crop field using laptop - 生物學家 個照片及圖片檔田地, 科學家, 大自然
backpackers examine an edible orange mushroom while hiking through forest - 生物學家 個照片及圖片檔兒童, 少年男女, 大自然
a young biologist collects water samples in a peatland to check for contaminants and measure mineral richness. - 生物學家 個照片及圖片檔
marine biologist photographing sick brain coral affected by stony coral tissue loss disease (sctld) - 生物學家 個照片及圖片檔科學家, 深的, 海洋生物
marine biologist working on saving sick coral affected by stony coral tissue loss disease (sctld) - 生物學家 個照片及圖片檔水肺潛水, 科學家, 一個人
female research scientist recording data from samples in petri dishes in a lab - 生物學家 個照片及圖片檔實驗室, 科學家, 檢查
female scientist in lab coat using microscope and taking notes while reviewing cell images on monitor - 生物學家 個照片及圖片檔細胞, 分析, 實驗室
female student in practice class with colleagues in the lab, wearing lab coat, protective eyewear and gloves - 生物學家 個照片及圖片檔實驗室, 學生, 科學家
a tranquilized golden lion tamarin is inspected, weighed, and measured in the lab by a research biol - 生物學家 個照片及圖片檔
marine biologist using antibiotic to treat sick star coral affected by stony coral tissue loss disease (sctld) - 生物學家 個照片及圖片檔科學家, 生態系統, 潛水
marine biologist using antibiotic to treat sick pillar coral affected by stony coral tissue loss disease (sctld) - 生物學家 個照片及圖片檔珊瑚 - 刺胞動物, 科學家, 水肺潛水
biologists are investigating and measuring the quality of water in wetlands. - 生物學家 個照片及圖片檔科學家, 環境保護, 生態系統
