首页/ 题库 / [单选题]某一种群的年龄锥体的形状为基部较狭,顶部的答案

某一种群的年龄锥体的形状为基部较狭,顶部较宽,这样的种群属于( )

单选题
2021-09-01 23:24
A、增长型种群
B、稳定型种群
C、下降型种群
D、混合型种群
查看答案

正确答案
C

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

函数 青书学堂.png 的定义域为
函数 青书学堂.png 的定义域为
某一种群的年龄锥体的形状为基部较狭,顶部较宽,这样的种群属于( )
假设教师表文件中某记录的年龄为35岁,职称为讲师,工资为750元则据此写出的逻辑表达式为:(年龄>30OR工资<=300)ANDNOT职称=〃讲师〃。其结果为()
Logistic回归系数与优势比OR的关系为()。
某一种群的年龄结构的锥体图呈典型金字塔形,表明该种群是()。
简述种群生态对策理论在森林经营中的指导作用?
OR的流行病学含义为()。
ORS液配制后的张力为()
某一种群的年龄锥体的形状为基部较狭、顶部较宽,这样的种群属于()。
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
已知A=40;B=30;C=100;D=50,逻辑“与”运算符为and,“或”运算符为or,“非”运算符为not。计算表达式(A>B+20)or(B+60<>
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
广告位招租WX:84302438

免费的网站请分享给朋友吧